The Lenovo Legion Pro 32UD-10 69D0GACBEU is a premium 31.5-inch UHD gaming monitor built for high-end gaming and content creation. It uses a QD-OLED panel with 4K resolution, ultra-fast response time, and advanced HDR support. Additionally, it combines esports-level speed with strong color accuracy and deep contrast. This monitor delivers a 3840 × 2160 UHD resolution with a 240Hz refresh rate for smooth gameplay and detailed visuals. Moreover, it features an extremely fast 0.03ms GtG response time that reduces motion blur during competitive gaming sessions. The Lenovo Legion Pro 32UD-10 also supports AMD FreeSync Premium Pro and VESA Adaptive Sync for tear-free gaming performance. The QD-OLED panel provides 99% sRGB and 99% DCI-P3 color coverage with True 10-bit color depth. Therefore, the monitor delivers rich colors, deep blacks, and strong HDR performance for gaming, streaming, and creative workloads. It also supports DisplayHDR True Black 400 and Dolby Vision technologies for enhanced contrast and brightness handling. The Lenovo Legion Pro 32UD-10 includes HDMI 2.1, DisplayPort 1.4, USB-C, and USB hub connectivity for gaming PCs, consoles, and accessories. Additionally, the ergonomic stand supports height, tilt, swivel, and pivot adjustments for flexible positioning. VESA mount support also allows wall or monitor arm installation. Community feedback highlights the monitor’s excellent image quality, fast OLED response performance, and strong HDR gaming experience. However, some users discussed HDR brightness behavior and Dolby Vision driver quirks in early usage reports. Specifications: 31.5-inch 4K UHD QD-OLED gaming display 240Hz refresh rate for ultra-smooth gameplay 0.03ms GtG response time for minimal motion blur DisplayHDR True Black 400 and Dolby Vision support HDMI 2.1, DisplayPort 1.4, USB-C, and USB hub connectivity
Compact, affordable all-in-one inkjet printer for home and small office use—print, scan, and copy in color with easy wireless setup, mobile printing, and HP’s efficient ink system.
The MSI MAG 32CQ6F 32″ 180Hz Curved Gaming Monitor delivers an immersive gaming experience. Its 32-inch curved display enhances your field of view, making games feel more engaging and realistic. With a 1500R curvature, it offers a comfortable viewing experience for extended gaming sessions. This monitor features a 180Hz refresh rate, providing ultra-smooth visuals. It reduces motion blur and screen tearing, ensuring a competitive edge in fast-paced games. Combined with a 1ms response time, you get lightning-fast reactions with no ghosting or lag. The MSI MAG 32CQ6F boasts a 2560×1440 (QHD) resolution, offering crisp and detailed visuals. Whether you’re gaming, streaming, or working, the high resolution provides stunning clarity. The VA panel technology ensures vibrant colors and deep contrasts for an immersive viewing experience. With support for AMD FreeSync Premium, the monitor synchronizes with your GPU to eliminate screen tearing and stuttering. This ensures smooth gameplay even during intense action scenes. The monitor also features multiple connectivity options, including HDMI and DisplayPort, making it compatible with various devices. The stylish and modern design of the MSI 32CQ6F complements any gaming setup. Its slim bezels and adjustable stand offer flexibility and comfort. Plus, the anti-flicker and low blue light technology help reduce eye strain, allowing for longer gaming sessions. Upgrade your gaming experience with the MSI MAG 32CQ6F 32″ 180Hz Curved Gaming Monitor, perfect for casual and competitive gamers alike. Specifications: Display : 31.5″ Rapid VA Resolution : 2560 x 1440 (WQHD) Curvature : 1500R Refresh Rate : 180Hz Response Rate : 0.5ms
Huawei IdeaHub Board 2 86-inch display delivers an immersive teaching and collaboration experience with large 4K visuals. It helps teachers present clearly and engage students effectively. As a result, classrooms benefit from better interaction and visibility. The 86-inch screen features 4K UHD resolution with zero-gap laminated glass. Therefore, it reduces reflection and improves clarity. Moreover, the D-LED backlight and 60Hz refresh rate ensure stable and consistent visuals. It supports up to 20 touch points using infrared multi-touch technology. In addition, smart handwriting recognition and annotation allow natural writing. The low latency writing response improves accuracy during lessons. The system includes a quad-core processor with 4GB RAM and 32GB storage. Consequently, it runs applications smoothly. It supports Android, Windows, iOS, and macOS for flexible integration. It also includes key capabilities such as 4K UHD resolution, multi-touch interaction, smart annotation tools, wide connectivity options, and cross-platform support. Huawei IdeaHub Board 2 86-inch display is built to enhance collaboration and simplify teaching. Specifications: 86-inch 4K UHD display with 3840 × 2160 resolution Supports up to 20 touch points with infrared technology Zero-gap laminated glass with D-LED backlight Low latency writing with smart annotation support Quad-core CPU with 4GB RAM and 32GB storage
Are you looking to elevate your gaming experience? The MSI G27C4 E3 27″ 180Hz Curved Gaming Monitor is the perfect choice. This monitor offers exceptional performance and stunning visuals, making it a top pick for gamers. Firstly, let’s talk about the refresh rate. With an impressive 180Hz refresh rate, this monitor ensures ultra-smooth gameplay. You will notice the difference, especially in fast-paced games where every millisecond counts. The 27-inch curved display provides an immersive viewing experience. The curvature of the screen draws you into the action, enhancing your overall gaming experience. It feels like you’re part of the game, with visuals surrounding you. In addition to its impressive refresh rate and curvature, the MSI G27C4 E3 boasts vibrant colors and sharp details. The Full HD resolution brings your games to life, delivering crisp and clear images. You won’t miss any details, no matter how intense the action gets. Moreover, this gaming monitor features AMD FreeSync technology. This helps eliminate screen tearing and stuttering, providing a seamless gaming experience. Say goodbye to frustrating visual interruptions and enjoy smooth, fluid gameplay. Comfort is also a key feature of the MSI G27C4 E3. The monitor’s adjustable stand allows you to find the perfect viewing angle, reducing strain during long gaming sessions. Plus, the anti-flicker and blue light reduction technologies help protect your eyes. In conclusion, the MSI G27C4 E3 27″ 180Hz Curved Gaming Monitor is a game-changer. It combines high performance, immersive visuals, and comfort to create the ultimate gaming setup. Upgrade your gaming gear today and experience the difference! Specifications: Display : 27″ Rapid VA Resolution : 1920 x 1080 (FHD) Refresh Rate : 180Hz Response Rate : 1ms Curvature : 1500R
SanDisk 1TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - External Solid State Drive - SDSSDE30-1T00-326 SanDisk 1TB Portable SSD – Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware – External Solid State Drive – SDSSDE30-1T00-326 About this item Solid state performance with up to 800MB/s read speeds in a portable drive. (Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1 MB = 1,000,000 bytes.) Back up your content and memories on a storage solution that fits seamlessly into your mobile lifestyle. Take it with you on your adventures—up to a two-meter drop, protection means this durable drive can take a beating. (Based on internal testing.) Secure it to your belt loop or backpack for extra peace of mind thanks to the tough rubber hook. From SanDisk, a brand professional photographers trust to take on assignments.
The LB-LINK AX900 USB WiFi adapter delivers fast and stable wireless connectivity with WiFi 6 technology and speeds up to 900Mbps. Featuring dual-band support (2.4GHz + 5GHz), it’s ideal for upgrading PCs and laptops for smoother streaming, gaming, and online work. The LB-LINK AX900 USB WiFi Adapter is a modern wireless solution designed to upgrade your computer to the latest WiFi 6 (802.11ax) standard. It offers improved speed, better network efficiency, and stronger stability compared to older WiFi adapters. With dual-band support, you can connect to either the 2.4GHz band for long-range stability or the 5GHz band for higher speed and lower latency. Its compact USB design makes it perfect for desktops and laptops needing fast internet without installing internal cards. WiFi 6 (802.11ax) Technology for faster performance and better efficiency AX900 Speed (Up to 900Mbps) for smooth streaming and downloads Dual Band Support: 2.4GHz + 5GHz for flexibility and stability USB Plug & Play easy installation (driver may be required) Low Latency Connection ideal for gaming and video calls Compact Portable Design perfect for laptops and desktops Improves WiFi Performance for weak built-in adapters Ideal for PCs and laptops that need faster WiFi speeds and stronger connectivity. Perfect for online gaming, HD streaming, Zoom/Teams meetings, and stable browsing.
7CJRC Laptop Battery for Dell Latitude 7470 7270 E7270 E7470 Series 21X15 021X15 KNM09 0KNM09 TX283 0TX283 451-BBSW 451-BBWR 11.4V 42Wh 3-Cell About this item Battery type: Li-ion; Voltage: 11.4V; Capacity: 42Wh; Cells: 3-cell Compatible Models: Fit for Dell Latitude 7470 7270 E7470 E7270 Series Replace Part Numbers: 7CJRC KNM09 0KNM09 21X15 021X15 TX283 0TX283 451-BBSW 451-BBWR V6VMN 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity is required by the device and how you use it
The MSI MAG 244C 24″ FHD 180Hz Curved Gaming Monitor delivers smooth and immersive visuals for gaming, movies, and everyday use. Its Full HD resolution shows clean details in games, videos, and work tasks. The 24-inch curved screen wraps slightly around your view for deeper immersion. This helps you stay focused and engaged while playing or working. Moreover, the MSI MAG 244C 24″ FHD 180Hz Curved Gaming Monitor features a fast 180 Hz refresh rate. This refresh rate makes motion look fluid and responsive. Fast games and action scenes appear more detailed and smooth. This reduces motion blur and improves your reaction time during gameplay. In addition, the monitor offers a 1 ms (MPRT) response time. This helps reduce ghosting and keeps fast visuals clear. Your controls feel responsive and snappy. This makes it easier to compete in shooters and other fast-paced games. Furthermore, the MSI MAG 244C 24″ FHD 180Hz Curved Gaming Monitor uses a VA panel with deep contrast. Blacks appear darker and scenes look richer for games and movies. The panel also supports a wide color gamut for decent color reproduction. This improves visuals for media, gaming, and creative content. Also, the monitor supports adaptive sync technology. This sync helps prevent screen tearing and stuttering when your GPU’s frame rate changes. The curved screen and smooth frame rate combine to deliver a more immersive gaming experience. The design of the MSI MAG 244C 24″ FHD 180Hz Curved Gaming Monitor is clean with slim bezels. It fits well on most desks without taking too much space. The stand allows tilt adjustment so you can set a comfortable viewing angle. Overall, the MSI MAG 244C 24″ FHD 180Hz Curved Gaming Monitor blends speed, clarity, and immersion in one strong display. It improves gaming performance, enhances media enjoyment, and works well for everyday computing. This monitor is ideal for gamers and users who want responsive, smooth visuals without a large screen footprint. Specifications: Display : 24″ VA Resolution : FHD 1920×1080 Refresh Rate : 180Hz Response Time : 1ms Curvature : 1500R
The Samsung 65″ QLED Q6F 4K Smart TV QA65Q6FAAUXTW delivers vibrant picture quality and smart entertainment features in a sleek design. It uses advanced QLED technology to produce bright colors, sharp details, and impressive clarity, making movies, sports, and games more engaging on the 65-inch screen. QLED technology uses Quantum Dot enhancement to improve color accuracy and brightness. As a result, images appear vivid and lifelike across a wide variety of content. Dark scenes retain important details, while bright scenes remain balanced and clear. This creates a more enjoyable viewing experience throughout the day. The 4K UHD resolution provides exceptional image detail and clarity. Therefore, content looks sharper and more refined than standard Full HD. In addition, Samsung processing technology enhances lower-resolution content, helping it appear closer to native 4K quality. HDR support improves contrast and expands the visible color range. This allows brighter highlights and deeper shadows, creating more realistic images. Fast-moving scenes also appear smoother and clearer, making sports events and action-packed content more enjoyable. The Smart TV platform provides access to popular streaming services, apps, and connected home features. It offers a responsive interface that makes navigation simple and convenient. In addition, the slim design and narrow bezels give the Samsung QLED 65 Q6F 4K Smart TV QA65Q6FAAUXTW a modern appearance that fits well in most living spaces. Overall, this Samsung QLED TV combines vivid colors, sharp 4K resolution, and smart functionality for a complete home entertainment experience. Specifications: QLED technology delivers vibrant colors and enhanced brightness 65-inch 4K UHD display provides immersive viewing HDR improves contrast and image realism Smart TV platform supports streaming apps and connected features Slim design complements modern living spaces
Acer Nitro QG241YBII 23.6 Inch Gaming Monitor LED Full Hd Screen Size 23.8 Inches Display Resolution Maximum 1920×1080 Brand Acer Special Feature Full HD Refresh Rate 75 Hz Specifications: Acer Nitro QG241YBII 23.6 Inch Gaming Monitor LED Full Hd Screen Size 23.8 Inches Display Resolution Maximum 1920×1080 Brand Acer Special Feature Full HD Refresh Rate 75 Hz
AOC Q27G4F 27-inch QHD 180Hz gaming monitor delivers sharp visuals and fast performance for competitive gaming. It is designed for users who want higher resolution with smooth gameplay. Additionally, it features a 27-inch Fast IPS panel with QHD resolution (2560 × 1440). This panel provides clear detail and accurate colors, so it improves both gaming and content viewing. Moreover, the monitor supports a 180Hz refresh rate with 0.5ms MPRT response time. As a result, it ensures smooth motion and reduced blur during fast-paced gameplay. The display includes Adaptive Sync and G-SYNC compatibility. Therefore, it reduces screen tearing and stuttering for stable and responsive performance. In addition, it supports HDR10 and wide color gamut coverage. This improves color depth and image quality for games and media. Furthermore, the monitor includes a fully adjustable stand. It supports height, tilt, swivel, and pivot adjustments, so it improves comfort during long sessions. The design also includes HDMI 2.0 and DisplayPort 1.4 connectivity with a frameless layout for modern setups. AOC Q27G4F 27-inch QHD 180Hz gaming monitor provides a strong balance of resolution, speed, and ergonomic flexibility for gaming and daily use. Specifications: 27-inch Fast IPS panel with 2560 × 1440 QHD resolution 180Hz refresh rate for smooth gaming performance 0.5ms MPRT response time for reduced motion blur Adaptive Sync and G-SYNC compatible support HDR10 with wide color gamut for improved visuals
Experience entertainment like never before with the ViewSonic 32″ 75Hz Monitor VX3276-MHD-3. This monitor is designed to take your viewing experience to the next level. Featuring a spacious 32-inch display, enjoy crisp and clear visuals with vibrant colors and sharp details. Dive into your favorite movies, shows, and games with immersive clarity and realism. With a refresh rate of 75Hz, this monitor ensures smooth and fluid motion, reducing motion blur for a more enjoyable viewing experience. Say goodbye to choppy visuals and hello to seamless entertainment. Transitioning to design, the VX3276-MHD-3 boasts a sleek and modern design that complements any space. Its ultra-thin bezel provides a larger viewing area, maximizing your screen real estate for an immersive experience. Moreover, the monitor’s versatile connectivity options allow you to easily connect to your favorite devices, whether it’s your gaming console, streaming device, or PC. Enjoy hassle-free entertainment with seamless connectivity. Additionally, the VX3276-MHD-3 is equipped with ViewSonic’s exclusive ViewMode presets, offering optimized settings for different viewing scenarios. Choose from various presets like Game, Movie, and Web to customize your viewing experience. In conclusion, the ViewSonic 32″ 75Hz Monitor VX3276-MHD-3 is the perfect companion for your entertainment needs. With its stunning visuals, smooth performance, and versatile design, it’s sure to enhance your viewing experience. Upgrade your entertainment setup today and immerse yourself in a world of endless entertainment possibilities. Specifications: Display : 32″ IPS Resolution : FHD (1920×1080) Refresh Rate : 75Hz Response Rate : 4ms GTG
The Samsung 55″ QLED 4K Q8F Vision AI Smart TV QA55Q8FAAUXTW delivers a premium viewing experience with advanced QLED display technology. It produces bright, sharp, and colorful images, so movies, sports, and games look clear and immersive on the 55-inch screen. QLED technology uses Quantum Dot enhancement to improve brightness and color accuracy. As a result, visuals appear more vibrant and balanced in both dark and bright scenes. This helps maintain consistent picture quality across different types of content and lighting conditions. Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for optimal results. Therefore, the TV consistently delivers improved visuals without manual tuning. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands contrast and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action content by reducing blur and improving smoothness. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and allows quick switching between applications. In addition, the slim design with thin bezels gives the Samsung 55 QLED 4K Q8F Vision AI Smart TV QA55Q8FAAUXTW a modern and premium appearance suitable for any living space. Overall, this Samsung QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful home entertainment experience. Specifications: QLED technology delivers bright, sharp, and colorful visuals 55-inch 4K display provides immersive viewing experience Vision AI optimizes picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
Authentic UK layout keyboard replacement for MacBook Air 13″ (Model A2338, 2020)—featuring Apple’s Magic Keyboard with scissor-switch mechanism, backlighting, and precise OEM fit for reliable performance and typing comfort. Compatible With: MacBook Air 13-inch (2020, Model A2338) – includes both Intel (Core i3/i5/i7) and Apple M1 chip variants. Layout: UK English (QWERTY) with £ symbol, tall vertical Enter key, and standard UK key labeling—exactly matches Apple’s original UK regional keyboard. Keyboard Type: Apple’s Magic Keyboard with scissor-switch mechanism—delivering quiet, responsive keystrokes, 1mm key travel, and greater long-term reliability than Butterfly keyboards. Integrated Features: Backlit keys for dim environments, ambient light sensor compatibility, and factory-matched ribbon cable for seamless connection to the logic board. Precision Build: Engineered to OEM specifications for exact alignment, key spacing, and tactile feedback—ensures a flush, secure fit within the original top case. Installation Note: The keyboard is glued into the top case and requires complete disassembly for replacement. Professional tools and adhesive are needed for proper reinstallation. Recommended for skilled technicians only.
Professional Grade K9 Dual Wireless Lavalier Mic For Android Smartphones Type C K9 Wireless Collar Microphone For YouTube Voice Recording Live Videos Vlog ASMR Podcast & Interview Expert Features 【Wireless Lavalier Microphone (2 Pcs) 】: Ideal for USB-C, iPhone, Smartphones, iPads and Macs with USB-C ports, Android devices, and laptops with USportsPort | Auto Noise Reduction. 【Dual Microphone Set】:Includes two wireless Lavalier microphones for versatile audio recording options. Simply plug the microphone into the USB port for instant connectivity and ease of use. 【Wide Compatibility】:Ideal for use with USB-C devices, iPhones, smartphones, iPads, Macs, Android devices, and laptops with USB-C ports, ensuring compatibility across various platforms. 【Auto Noise Reduction】: Features built-in noise reduction technology to minimize background noise and ensure clear and crisp audio. 【Long Battery Life】:Powered by lithium-ion batteries, providing reliable performance for extended recording sessions. 【Versatile Applications】:Suitable for a wide range of applications, including vlogging, interviews, presentations, podcasting, and more.
REMAX RM-C45 Mena Aroma Diffuser Portable Humidifier, Mini Diffuser for Car Home Office Bedroom with Smart Connectivity, Remote Control, Long-Lasting Fragrance and Mesmerizing Starlight Effect, Black About this item Dual Purpose Design: Perfectly suited for both car and home use, this aroma diffuser enhances any space with delightful fragrances, whether you’re on the road or relaxing at home. Starlight Effect: Create a mesmerizing ambiance with the starlight effect, projecting a soothing light pattern that complements your favorite scents for a relaxing experience. Smart Connectivity: Enjoy modern convenience with smart connectivity features that allow you to control the diffuser remotely, ensuring ease of use and customization from anywhere. Long-Lasting Fragrance: Formulated for extended scent release, this diffuser ensures that your environment remains fresh and inviting for hours on end, without the need for constant refills. User-Friendly Remote Control: The included remote control makes it easy to adjust settings and change fragrances without needing to reach the diffuser directly, providing ultimate convenience. Customizable Aromatherapy: Choose from a variety of essential oils or fragrances to create your desired atmosphere, whether you seek relaxation, invigoration, or a fresh ambiance. Compact and Stylish Design: The sleek and modern design fits seamlessly into any decor, enhancing your car’s interior or your home’s aesthetic without taking up too much space. Perfect Gift Idea: A thoughtful gift for friends or family who appreciate home fragrance and wellness, making it a great addition to any special occasion or celebration.
BenQ ZOWIE XL2566X+ 24.1” Fast TN 400Hz DyAc 2 Gaming Monitor is a competitive esports display designed for FPS players who need maximum motion clarity, fast response, and stable performance in high-FPS games. It uses a 24.1-inch Full HD (1920 × 1080) Fast TN panel. Therefore, it delivers very low motion blur and fast pixel response, which helps track fast-moving targets more clearly in games like CS2 and Valorant. Moreover, it supports a 400Hz refresh rate. As a result, it provides extremely smooth motion when the system can deliver very high frame rates. In addition, DyAc 2 technology reduces motion blur during fast camera movement and recoil control, improving visual clarity in FPS gameplay. The monitor includes esports-focused tools such as Black eQualizer and Color Vibrance. Therefore, it improves visibility in dark scenes and helps highlight enemies more clearly. In addition, the XL Setting to Share feature allows quick preset switching for different games. Furthermore, it includes an ergonomic stand with height, tilt, and swivel adjustment. As a result, players can fine-tune positioning for long competitive sessions. In addition, it supports HDMI 2.0 and DisplayPort 1.4 for full performance compatibility. Finally, the BenQ ZOWIE XL2566X+ focuses on competitive precision, ultra-high refresh rate performance, and motion clarity for serious esports players. Specifications: Display: 24.1-inch Full HD (1920 × 1080) Fast TN panel Refresh Rate: 400Hz for ultra-smooth motion Motion Tech: DyAc 2 for reduced blur in fast FPS gameplay Esports Tools: Black eQualizer and Color Vibrance for better visibility Design: Ergonomic stand with height, tilt, and swivel adjustment
A reliable pre-owned Dell Latitude 5400 with 14" display, 8th Gen Core i5, 8GB RAM, and 256GB SSD—ideal for business users and students seeking solid performance, security, and durability in a compact form.
HP M24fwa Monitor Overview The HP M24fwa is a 24-inch Full HD monitor designed for modern workspaces. It combines a slim design with clear visuals. As a result, it suits offices, home use, and study setups. 24-Inch Full HD Display This monitor features a 24-inch Full HD resolution. Therefore, text appears sharp and easy to read. Moreover, images look clear and vibrant. Because of this, it supports long working and browsing sessions. In addition, wide viewing angles keep content visible from different positions. As a result, collaboration becomes easier. Smooth and Comfortable Viewing The HP M24fwa delivers smooth performance for daily tasks. As a result, scrolling and multitasking feel natural. Furthermore, the display maintains balanced brightness. This improves overall viewing comfort. Eye Comfort and Anti-Glare Protection This monitor includes eye comfort features. Therefore, it helps reduce eye strain during extended use. In addition, the anti-glare screen limits reflections. As a result, the display stays clear in bright rooms. Connectivity and Easy Setup The HP M24fwa includes HDMI connectivity. As a result, it connects easily to laptops and desktops. Moreover, setup remains quick and simple. Therefore, users can start working immediately. Slim Design and Mounting Support The monitor features a slim and modern design. In addition, it supports VESA mounting. As a result, users can save desk space and create flexible setups. Ideal for Daily Use This monitor focuses on clarity and reliability. Moreover, it suits office work, studying, and media viewing. In conclusion, it offers a practical and stylish display solution. Specifications: Display: 23.8-inch IPS panel with 178-degree ultra-wide viewing angles. Resolution: FHD (1920 X 1080) at 75Hz refresh rate. Visual Quality: 300 nits brightness, 1000:1 contrast ratio, and 99% sRGB color gamut for accurate, vibrant, and consistent colors. Gaming/Performance: AMD Free Sync technology reduces screen tearing and stuttering