Panel Size (inch) : 23.8 Aspect Ratio : 16:9 Display Viewing Area (H x V) : 527.04 x 296.46 mm Display Surface : Non-Glare Backlight Type : LED Panel Type : IPS Viewing Angle (CR≧10, H/V) : 178°/ 178° Pixel Pitch : 0.2745mm Resolution : 1920×1080 Color Space (sRGB) : 99% Brightness (Typ.) : 250cd/㎡ Contrast Ratio (Typ.) : 1000:1 ASUS Smart Contrast Ratio (ASCR) : 100000000:1 Display Colors : 16.7M Response Time : 5ms(GTG) Refresh Rate (Max) : 75Hz Flicker-free : Yes Video Feature Trace Free Technology : Yes SPLENDID Technology : Yes Color Temp. Selection : Yes(4 modes) GamePlus : Yes QuickFit : Yes HDCP : Yes VRR Technology : FreeSync™ Low Blue Light : Yes I/O Ports HDMI(v1.4) x 1 DVI x 1 VGA x 1 Signal Frequency Digital Signal Frequency : 24~84 KHz (H) / 48~75 Hz (V) Analog Signal Frequency : 24~84 KHz (H) / 48~60 Hz (V) Power Consumption Power Consumption : 13.2W Power Saving Mode : <0.5W Power Off Mode : <0.5W Voltage : 100-240V, 50/60Hz Mechanical Design Tilt : Yes (+23° ~ -5°) VESA Wall Mounting : 100x100mm Kensington Lock : Yes Dimensions (Esti.) Phys. Dimension with Stand (W x H x D) : 540.45 x 403.67 x 203.94 mm Phys. Dimension without Stand (W x H x D) : 540.45 x 324.67 x 44.4 mm Box Dimension (W x H x D) : 559 x 415 x 127 mm Weight (Esti.) Net Weight with Stand : 3.57 Kg Net Weight without Stand : 3.18 Kg Gross Weight : 5.50 Kg 3 Years Warranty manufacturer link
The MSI MAG 342CQR E2 34″ 180Hz Curved Gaming Monitor is designed to elevate your gaming experience. Its 34-inch ultrawide display with a 3440 x 1440 resolution provides immersive visuals, while the 1500R curvature ensures a comfortable viewing angle. MSI Firstly with a rapid 180Hz refresh rate and 1ms MPRT response time, this monitor delivers smooth and responsive gameplay, ideal for fast-paced genres like FPS and racing games. The VA panel offers a 3000:1 contrast ratio, producing deep blacks and vibrant colors. Furthermore the MSI MAG 342CQR E2 supports HDR Ready technology, enhancing image details and color accuracy. AI Vision technology further improves brightness and color saturation, revealing details in dark scenes. Moreover connectivity options include DisplayPort 1.4a and HDMI 2.0b ports, supporting up to 180Hz and 100Hz refresh rates, respectively. The monitor also features Adaptive Sync technology, reducing screen tearing and stuttering. Also ergonomic adjustments are made easy with tilt, swivel, and height options, ensuring comfort during extended gaming sessions. The monitor’s frameless design and anti-glare coating provide a sleek look and reduce eye strain. In summary, the MSI MAG 342CQR E2 34″ 180Hz Curved Gaming Monitor combines high performance, immersive visuals, and ergonomic design, making it a top choice for gamers seeking a competitive edge. Specifications: Display : 34″ VA Resolution : 3440 x 1440 (UWQHD) Refresh Rate : 180Hz Response Time : 1ms (MPRT) Curvature : Curve 1500R
The Samsung 65″ Neo QLED QN70F 4K Vision AI Smart TV QA65QN70FAUXTW delivers a premium viewing experience with advanced Neo QLED technology. It produces bright, sharp, and highly detailed images with strong contrast, so movies, sports, and games look clear and immersive on the 65-inch screen. Neo QLED technology uses Quantum Mini LEDs to improve brightness control and contrast accuracy. As a result, dark scenes appear deeper while bright scenes stay vivid and balanced. This creates a more realistic picture across different types of content. Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color. Therefore, the TV consistently delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands brightness range and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action viewing. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and responds quickly when switching between apps. In addition, the slim design with thin bezels gives the Samsung 65 Neo QLED QN70F 4K Vision AI Smart TV QA65QN70FAUXTW a modern and premium appearance. Overall, this Samsung Neo QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful entertainment experience. Specifications: Neo QLED technology delivers bright, sharp, and detailed visuals 65-inch 4K display provides immersive viewing experience Vision AI enhances picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
GAMDIAS Hermes E3 RGB Mechanical Gaming Keyboard Blue Switch with 19 Built-in Lighting Effects Certified Optical Switches and N-Key Rollover & Anti-Ghosting Functionality (Hermes E3 Black) About this item Extreme Gaming RGB Lighting Modes: This wired keyboard has 19 Build-in RGB backlight modes powered by 16.8 million RGB backlighting for gamers and provide comfortable ambient light for typing. It comes with the adjustable brightness and WASD and Arrow Keys Exchange 8 Additional Multimedia Keys. Compact 60 Percent Design for Mobility: The 60% gaming keyboard is a compact 61-key elegant design for both gaming and office typing for computers, PC and desktops. Blue Switches & Full Anti-ghosting: The classic blue switches provide tactile and audible feedback, deliver accurate and responsive key commands. All keys are fully conflict-free, the perfect choice for intense gameplay and fast typing. All key can be reassigned and macros can be created for effortless operation. Ergonomic & Portable design: The 61 key compact keyboard is not only easy to operate and store, but it also boasts its solid front plate and comes in Classic Black or White touch-up to fit flawlessly into all battle stations. Superior Control: Gain complete control using the responsive mechanical switches with a built-in vertical LED perception sensor and anti-ghosting with N-Key rollover.
The Samsung 75″ QLED 4K Q60F Smart TV QA75Q6FAAUXTW delivers a large-screen entertainment experience with advanced QLED display technology. It produces bright colors, sharp details, and impressive clarity, making movies, sports, and games more enjoyable on the expansive 75-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 range of content. Dark scenes retain detail, while bright scenes remain balanced and clear. This helps create a consistent viewing experience throughout the day. The 4K UHD resolution provides four times the detail of Full HD content. Therefore, images look sharper and more refined. In addition, Samsung’s processing technology enhances lower-resolution content, helping it appear clearer and closer to 4K quality. HDR support improves contrast and expands the range of visible colors. This allows brighter highlights and deeper shadows, creating a more realistic picture. Fast-moving scenes also appear smoother, making sports broadcasts and action movies more enjoyable to watch. The Smart TV platform offers convenient access to popular streaming services, apps, and connected home features. It responds quickly and provides an easy-to-use interface for everyday entertainment. In addition, the slim design and narrow bezels give the Samsung QLED 75 4K Q60F Smart TV QA75Q6FAAUXTW a modern appearance that complements a variety of living spaces. Overall, this Samsung QLED TV combines large-screen immersion, vibrant color performance, and smart connectivity for a reliable home entertainment solution. Specifications: QLED technology delivers vibrant colors and enhanced brightness 75-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
OEM-quality touchpad replacement for MacBook Air 13.6″ (Model A2681, 2022)—available in Gray, Gold, Silver, and Blue to match your original chassis color. Precision-engineered for seamless Force Touch performance and smooth gesture control. Compatible With: MacBook Air 13.6-inch (2022, Model A2681) with M2 chip—includes all color variants: Space Gray, Gold, Silver, and Midnight Blue. Part Type: Touchpad only—does not include the flex cable, connector, or mounting brackets. Intended for technicians reusing the original cable or transferring it during repair. Color-Matched Finish: Available in all four official A2681 colors to maintain aesthetic consistency with your MacBook’s lower case. Force Touch Support: Full compatibility with Force Touch gestures, haptic feedback, and multi-touch functionality (requires original Taptic Engine and logic board). OEM Build Quality: Matches Apple’s original surface texture, curvature, and responsiveness—ensures consistent click feel and tracking accuracy. Installation Note: Requires careful transfer of the original flex cable and Taptic Engine (if not already attached). Full bottom case disassembly is necessary. Recommended for professional repair technicians.
HP LaserJet M111w Black & White Multifunction Printer, Wireless & Mobile Printing, 600 x 600 dpi Resolution, Print speed up to 20 ppm, 8000-page Monthly Duty Cycle, USB / Wireless Connectivity | 7MD68A White
The HP 32S 32″ Monitor delivers large, clear visuals for work, media, and everyday use.It features a 32‑inch Full HD screen that shows sharp images and smooth video.Moreover, the slim and modern design fits well on home and office desks. This monitor uses an LED panel for bright color and solid picture quality.Additionally, wide viewing angles help keep visuals consistent from different positions.Anti‑glare coating helps reduce reflections in bright rooms. The HP 32S also includes HDMI and VGA ports for flexible connectivity.Furthermore, tilt adjustment lets you find a comfortable viewing angle.Low blue light and flicker‑free features help reduce eye strain during long use. This display works well for students, professionals, and home users alike.Therefore, it supports productivity, browsing, streaming, and casual gaming.Finally, it combines solid performance, easy setup, and comfort features for everyday use. Specifications: 32″ Full HD (1920 × 1080) LED panel HDMI + VGA ports for PC and device connection Anti‑glare coating for comfortable viewing Tilt‑adjustable stand for ergonomic use Low blue light and flicker‑free eye care
LG Ultrawide 34 inch 75Hz IPS Monitor 34WP550-B is designed for multitasking, productivity, and immersive viewing. It features a 34-inch UltraWide Full HD IPS display with a 21:9 aspect ratio. Additionally, it supports AMD FreeSync for smoother visuals. Therefore, it works well for office work, media, and light creative tasks. The LG 34WP550-B delivers 2560 × 1080 resolution with a 75Hz refresh rate and 5ms response time. Moreover, it includes HDR10 support and sRGB 95% color coverage for more accurate visuals. It also offers HDMI connectivity and a 3-side borderless design. In addition, it supports Reader Mode, Black Stabilizer, and Dynamic Action Sync for improved usability. Furthermore, the ultrawide format gives extra horizontal space for multitasking. As a result, users can run multiple windows side by side more easily. It also includes ergonomic tilt and height adjustment for better comfort during long use. Specifications: 34-inch 21:9 UltraWide Full HD (2560 × 1080) IPS display 75Hz refresh rate with AMD FreeSync support HDR10 with sRGB 95% color coverage 5ms response time with gaming features HDMI connectivity with height and tilt adjustment
Samsung Lebanon 55″ UHD The Samsung Lebanon 55″ UHD See more on a 55-inch, 1000R curved screen. Quantum Mini-LED achieves next-generation depth to deliver exceptional picture . 55″” large screen & 1000R curvature Be immersed in lifelike images. The 55-inch screen delivers a picture that overwhelms your senses. creating an experience superior to anything seen before. This is upgraded by 1000R curvature to wrap around your field of vision for maximum immersion. Cockpit Mode & Eclipse Lighting Feel like you’re in a cockpit. Rotate the screen to Cockpit Mode with HAS, tilt and pivot for an optimal screen environment. This perfect positioning creates a new sense of world-blending , further by Eclipse Lighting. Quantum Matrix Technology An unrivaled visual experience. Revolutionary Quantum Matrix Technology with Quantum Mini LEDs . creates controlled brightness and perfect contrast for refined definition. The advanced 14-bit back light unit allows detailed HDR control which creates unmatched picture quality. Neural Quantum Processor Ultra Enjoy powerful cinematic By combining 20 multi-layer neural networks. the AI-Powered images to restore every detail, pixel by pixel. Automatic and upscale the resolution of whatever you’re watching. HDR 10+ gaming See every detail in all its glory. From shadows to sun-scorched scenes, the t ratio enables enhanced . color expression and depth. Get a competitive edge with HDR 10+, which automatically adapts. games in real-time to show you every detail that could lead to victory. Matte display Focus only on what matters. The distraction-free matte screen absorbs, not reflects. artificial and natural light, keeping you laser-focused during the toughest battles and hardest levels. Sound Dome Technology Four corner speakers and two central woofers result in a 60W 2.2.2 channel with the lowest 45Hz. notes of any gaming screen or gaming soundbar. AI Sound Booster and Dolby Atmos take it to the next level. you in a that places you inside the gaming world. Specifications: Specifications Screen Size (Class)55 Flat / CurvedCurved Active Display Size (HxV) (mm)1209.6(H) x 680.4(V) Screen Curvature1000R Aspect Ratio16:9 Panel TypeVA Brightness (Typical)600 cd/㎡ Brightness (Min)420 cd/㎡ Contrast Ratio Static1,000,000:1 (Static) Contrast Ratio (Dynamic)Mega DCR HDR(High Dynamic Range)Quantum HDR 32x HDR10+Yes Mini LED Local DimmingYes (1,056 zones) HDR10+ GamingYes Resolution3,840 x 2,160 Response Time1ms(GTG) 3 year warranty Manufacturer Link
The ViewSonic XG2709A 27″ 240Hz Gaming Monitor is built for competitive gamers who need top-tier performance and responsiveness. With a blazing 240Hz refresh rate, it delivers ultra-smooth visuals in every frame. A 1ms MPRT response time ensures fast and accurate performance, helping reduce motion blur and ghosting during intense action. The Full HD resolution brings sharp details, making it perfect for gaming and daily use. Its SuperClear® IPS panel offers wide viewing angles and rich, vibrant colors. This means no matter where you sit, your screen will always look great. The ViewSonic XG2709A 27″ 240Hz Gaming Monitor features AMD FreeSync™ technology, which eliminates screen tearing and stuttering for smooth, uninterrupted gameplay. HDR10 support brings better brightness and contrast to your visuals, making dark scenes deeper and bright scenes more vivid and clear. It gives games and videos more depth and realism. Multiple input options like HDMI and DisplayPort let you connect to PCs, gaming consoles, and other devices with ease. A 3.5mm audio out port is also available for external speakers or headphones. The stand is fully adjustable, offering tilt, swivel, height, and pivot functions to keep you comfortable. It’s also VESA compatible for wall or arm mounting. Its anti-glare screen reduces reflections, making long gaming sessions easier on your eyes. The sleek, modern design fits into any setup with ease. In conclusion, the ViewSonic XG2709A 27″ 240Hz Gaming Monitor offers speed, comfort, and vibrant visuals, making it a top choice for serious gamers. Specifications: Display : 27″ IPS Resolution : 1920 x 1080 FHD Refresh Rate : 240Hz Response Rate : 1ms MPRT Height Adjust (mm): 130
Fast-charging feature available on select iPhone and iPad models.
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.
Philips 22E1N1100LA/71 22-inch frameless monitor delivers smooth motion and clear visuals for everyday use and casual gaming. It focuses on high refresh rate performance, fast response time, and a clean modern design. Additionally, it features a 21.5-inch VA panel with Full HD resolution (1920 × 1080). This provides strong contrast and clear detail, so it improves overall viewing quality for work and media. Moreover, it supports an overclockable 120Hz refresh rate. As a result, it delivers smoother motion and reduces screen stutter during scrolling and gameplay. The monitor includes a 1ms MPRT response time. Therefore, it reduces motion blur and keeps fast-moving visuals sharp and clear. In addition, it supports Adaptive Sync technology. This helps reduce screen tearing and ensures more stable frame delivery in supported content. Furthermore, it includes VA wide-view technology with 178° viewing angles. So it maintains consistent color and brightness from different positions. It also features LowBlue Mode and Flicker-Free technology. These reduce eye strain during long sessions of work, study, or entertainment. Philips 22E1N1100LA/71 22-inch 120Hz monitor provides fast performance, sharp visuals, and comfortable viewing for daily multimedia use. Specifications: 21.5-inch VA panel with Full HD 1920 × 1080 resolution Overclockable 120Hz refresh rate for smooth motion 1ms MPRT response time for reduced blur Adaptive Sync for tear-free performance Frameless design with LowBlue Mode and Flicker-Free technology
BenQ PD3205U 32” 4K UHD IPS Monitor | 3840×2160 | 3 Years Warranty is a professional 32-inch display designed for productivity, creative work, and Mac/PC users who need accurate colors and a large workspace. It uses a 31.5-inch IPS panel with 4K UHD resolution (3840×2160). Therefore, it delivers sharp text, clear images, and high pixel density for multitasking and design work. In addition, it supports 99% sRGB and 99% Rec.709 color coverage for consistent and accurate color output. Moreover, it includes HDR10 support with up to 350 nits peak brightness. As a result, it improves contrast in supported HDR content while maintaining stable SDR performance. In addition, the monitor uses a 1000:1 contrast ratio for balanced image depth. The PD3205U features a 60Hz refresh rate and 5ms response time. Therefore, it focuses on productivity rather than competitive gaming. In addition, the IPS panel provides wide 178° viewing angles for consistent visuals from different positions. Connectivity includes USB-C with up to 90W power delivery. As a result, it can charge a laptop while sending video, data, and audio through a single cable. In addition, it supports HDMI 2.0, DisplayPort 1.4, USB-A, USB-B, and a built-in KVM switch for multi-device control. Furthermore, it includes Eye-Care technologies such as Flicker-Free and Low Blue Light modes. Therefore, it helps reduce eye strain during long work sessions. In addition, the ergonomic stand supports height, tilt, swivel, and pivot adjustments for better comfort. Finally, the BenQ PD3205U delivers a large 4K workspace, accurate color performance, and full USB-C docking functionality for professional and Mac-based workflows. Specifications: Display: 32-inch IPS panel with 3840×2160 4K UHD resolution Color: 99% sRGB and 99% Rec.709 coverage Brightness: 250 nits typical, up to 350 nits HDR peak Connectivity: USB-C 90W, HDMI 2.0, DP 1.4, USB hub, KVM switch Ergonomics: Height, tilt, swivel, pivot adjustable stand with Eye-Care features
The Samsung Odyssey G3 24″ 165Hz Gaming Monitor is designed for gamers who demand high performance. This monitor offers stunning visuals and smooth gameplay, making it ideal for competitive gaming. With its 24-inch display, the Samsung Odyssey G3 delivers crisp and clear images. The 165Hz refresh rate ensures fluid motion, reducing blur and enhancing your gaming experience. You’ll notice the difference in fast-paced games. The 1ms response time of the Samsung Odyssey G3 Gaming Monitor provides quick and accurate control. This feature is crucial for competitive gaming, where every millisecond counts. React faster and gain the edge over your opponents. The Full HD resolution of the Samsung Odyssey G3 offers vibrant and sharp visuals. Combined with AMD FreeSync technology, you can enjoy tear-free and stutter-free gaming. This results in a more immersive and enjoyable experience. The sleek and ergonomic design of the Samsung Odyssey G3 24″ Gaming Monitor ensures comfort during long gaming sessions. Its adjustable stand allows you to find the perfect viewing angle, reducing neck and eye strain. Connectivity is made easy with multiple input options, including HDMI and DisplayPort. This ensures compatibility with a wide range of devices, making the Samsung Odyssey G3 a versatile choice for your gaming setup. In conclusion, the Samsung Odyssey G3 24″ 165Hz Gaming Monitor is the perfect addition to any gamer’s arsenal. Enjoy stunning visuals, smooth performance, and a sleek design. Elevate your gaming experience today with the Samsung Odyssey G3. Specifications: Display : 24″ VA Resolution : 1,920 x 1,080 Refresh Rate : 165Hz Response Rate : 1ms MPRT
AOC G2490VX 24″ FreeSync Display Specifications : Model name G2490VX Panel 23.8″ (VA) Pixel Pitch (mm) 0.2745 (H) × 0.2745 (V) Effective Viewing Area (mm) 527.04 (H) × 296.46 (V) Brightness (typical) 350 cd/m² (typical) Contrast Ratio 3500 : 1 (Typical) 80 Million : 1 (DCR) Response Time 1ms (MPRT) Viewing Angle 178° (H) / 178° (V) (CR > 10) Color Gamut sRGB 126% (CIE1931) / DCI -P3 87% (CIE1976) Color Accuracy Delta E < 2 Optimum Resolution 1920 × 1080 @ 144Hz – DisplayPort, HDMI Display Colors 16.7 Million Signal Input HDMI 1.4 × 1, DisplayPort 1.2 × 1 HDCP Version HDMI: 1.4 / DisplayPort: 1.4 USB Hub no Power Supply 100 – 240V ~ 1.5A, 50 / 60Hz Power Consumption (typical) 22W Speakers no Line in & Earphone Earphone Wall-Mount 100mm x 100mm Adjustable Stand Tilt: -5° ~ 23° Product without Stand (mm) 322.9 (H) × 541.2 (W) × 47 (D) Product with Stand (mm) 411 (H) × 541.2 (W) × 199.6 (D) Product without Stand (kg) 2.88 Product with Stand (kg) 3.54 Cabinet Color Black & Red Regulatory Approvals BSMI, KC, KCC, e-Standby, RCM, MEPS, CE, FCC, VCCI, PSE AOC G2490VX 24″ FreeSync *. G2490VX has been upgraded to AMD Freesync Premium version since Jan.1.2021 (manufactured date) Screen tearing and stuttering doesn’t only harm gaming performance, it also destroys immersion. AMD FreeSync Premium addresses this by keeping your monitor’s refresh rate synced with your processor’s. Specifications: Specifications : Panel Size 23.8″ Borderless Brightness 350 cd/m² (typical) 3500 : 1 (Typical) 80 Million : 1 (DCR) 1ms (MPRT) Viewing angle 178° (H) / 178° (V) (CR > 10) sRGB 126% (CIE1931) / DCI -P3 87% (CIE 1976) Color accuracy Delta E < 2 Resolution 1920 × 1080 @ 144Hz – DisplayPort, HDMI 16.7 Million HDR MODE 1 Year Warranty manufacturer link
The TeamGroup CX2 1TB SSD is a reliable 2.5-inch SATA III solid-state drive designed to upgrade laptops and desktops with faster boot times, smoother performance, and quiet operation. Using 3D NAND flash, it delivers consistent speed and improved durability compared to traditional hard drives. ⚡ SATA III Performance: Delivers fast everyday speeds for system boot, app loading, and file transfers compared to HDDs. 💾 1TB Capacity: Ample storage for OS, software, games, and large media files. 🧠 3D NAND Flash: Improves stability, efficiency, and lifespan versus older NAND types. 🔇 Silent & Shock-Resistant: No moving parts, making it quiet and more durable for laptops and mobile use. 🌡️ Low Power Consumption: Helps extend laptop battery life and reduces heat. 🛠️ Easy Upgrade: Standard 2.5″ 7mm design fits most SATA laptops and desktops.
Brand Microsoft Connectivity Technology USB Connector Type USB Compatible Devices Laptops Compatible Phone Models Microsoft Special Feature Travel Mounting Type Wall Mount Total USB Ports 1 Wattage 65 watts Microsoft Surface Power Supply 65W and Power Adapter Non Retail Packaging
