Keyboard Compatible for MacBook PRO Retina 15″ A1398 (Late 2013-MID 2015) US Layout Compatibility: MacBook Pro Retina 15″ A1398 Late 2013 (IG): ME293LL/A (2.0 Core i7) Late 2013 (IG): ME293LL/A (2.3 Core i7) Late 2013 (IG): ME293LL/A (2.6 Core i7) Mid 2014 (IG): MGXA2LL/A (2.2 Core i7) Mid 2014 (IG): MGXA2LL/A (2.5 Core i7) Mid 2014 (IG): MGXA2LL/A (2.8 Core i7) Late 2013 (DG): ME294LL/A (2.3 Core i7) Late 2013 (DG): ME294LL/A (2.6 Core i7) Compatibility: Mid 2014 (DG): MGXC2LL/A (2.5 Core i7) Mid 2014 (DG): MGXC2LL/A (2.8 Core i7) Mid 2015 (IG): MJLQ2LL/A (2.2 GHz Core i7) Mid 2015 (IG): MJLQ2LL/A BTO (2.5 GHz Core i7) Mid 2015 (IG): MJLQ2LL/A BTO (2.8 GHz Core i7) Mid 2015 (DG): MJLT2LL/A (2.5 GHz Core i7) Mid 2015 (DG): MJLT2LL/A BTO (2.8 GHz Core i7) Identifying Numbers APN: 661-6532, 661-8311,661-02536 Specification】The keyboard is without frame! pls see detail compatible model in descrirption. Safe】Easy for you replace your faulty,cracked or broken keyboard ,seller remind that you should replace the keyboard in the off state. All pictures are taken from the real item, please check carefully before biddingReplacement and high quality,Replace your faulty, cracked or broken keyboard Replacement and high quality,Replace your faulty, cracked or broken keyboard Each keyboard is tested before shipping Please contact us if you have any question or problems.
The Samsung 85″ QN85F Neo QLED 4K Smart TV QA85QN85FAUXTW delivers a premium large-screen viewing experience with advanced Neo QLED technology. It produces bright images, strong contrast, and rich colors, so movies, sports, and games look sharp and immersive on the massive 85-inch display. Neo QLED technology uses Quantum Mini LEDs to control brightness more precisely. As a result, the TV delivers better contrast and clearer details in both dark and bright scenes. This helps improve overall picture depth and realism across all types of content. Samsung enhances performance with an AI-powered processor that improves picture quality in real time. It analyzes scenes and adjusts brightness, sharpness, and color automatically. Therefore, the Samsung 85 QN85F Neo QLED 4K Smart TV QA85QN85FAUXTW always shows optimized visuals without manual adjustments. In addition, AI upscaling improves lower-resolution content closer to 4K quality. HDR support expands brightness and color range, making visuals more dynamic and lifelike. Fast motion also appears smoother, which improves sports and action viewing. The Smart TV platform provides access to streaming apps, games, and smart home controls. It runs smoothly and responds quickly when switching between apps. In addition, the slim design with narrow bezels gives the Samsung 85 QN85F Neo QLED 4K Smart TV QA85QN85FAUXTW a modern and premium appearance. Overall, this Samsung Neo QLED TV combines bright performance, AI optimization, and smart features for a powerful home entertainment experience. Specifications: Neo QLED technology delivers bright and detailed picture quality 85-inch 4K display provides immersive large-screen viewing experience AI processor enhances picture quality in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
Fast-charging feature available on select iPhone and iPad models.
Acer KA222Qbi The Acer KA222Qbi entry-level series provide a superb user experience and don’t compromise . on quality. With a choice of display size and a ZeroFrame. design it is ideal for use in homes and offices. Whether it’s running productivity apps or playing games this monitor has it all. Viewable Screen Size Acer KA222Qbi 54.6 cm (21.5″) Aspect Ratio 16:9 Response Time 1 ms VRB Backlight Technology LED Horizontal Viewing Angle 178° Vertical Viewing Angle 178° Panel Technology In-plane Switching (IPS) Technology Frequency (Horizontal/Vertical) 30KHz-85KHz/48Hz-75Hz Pixel Pitch 0.25 mm Tilt Angle -5° to 15° Maximum Adjustable Height No Video Maximum Resolution 1920 x 1080 Native Contrast Ratio 1,000:1 Dynamic Contrast Ratio 100,000,000:1 Colour Supported 16.7 Million Colours Colour Depth 8-bit Color Gamut 72% NTSC Dynamic Contrast Ratio 100,000,000:1 Brightness 250 cd/m² Tearing Prevention Technology AMD FreeSync™ (HDMI VRR) Interfaces/Ports Acer KA222Qbi VGA Yes HDMI Yes Power Description Standby Power Consumption (Energy Star) 270 mW Off-Mode Power Consumption (Energy Star) 210 mW Operating Power Consumption (Energy Star) 15.50 W Miscellaneous Environmental Certification MPR II Package Contents 1 x KA222Q Widescreen LCD Monitor 1 x Power Cord(EURO/UK) 1 x VGA Cable Physical Characteristics Colour Black VESA Mount Compatible Yes VESA Mount Standard 100 x 100 Height 295 mm Width 490 mm Depth 65 mm Weight (Approximate) 3.09 kg Weight with Stand (Approximate) 3.44 kg Specifications: Specifications 21.5″ ZeroFrame FreeSync 1ms, IPS 1 year warranty
GOYIY Storm Outdoor Fan Camping Fan, Blowing 30 Feet (10 Meters) Far Big Cold Wind, Powered By 20000mAh Battery With Hook, LED Lantern For Night Light, Phone Charger About this item 【Whisper-Quiet Operation】The GOYIY cordless rechargeable fan make you experience tranquility with ultra-low noise levels, measuring below 15dB on its lowest setting, ensuring a peaceful environment conducive to relaxation or sleep. 【Turbocharged Cooling Technology】Utilizing advanced turbo compression technology, this storm fan delivers a powerful breeze even from a distance of up to 10 meters, with four adjustable speeds to suit your preferences. 【 High-Capacity Battery】Equipped with a 20000mAh large-capacity battery, this outdoor fan not only keeps you cool for extended periods but also serves as a portable power bank, capable of charging your phone or other devices on the go. 【Versatile Hanging / Standing Design/Remote Control 】Featuring a convenient hook design and 90˚ adjustable angle, this camp fan offers dual functionality, allowing you to hang it wherever needed. Additionally, its stable base ensures steady placement on any surface. Enjoy the convenience of controlling the fan from a distance with the included remote! 【Night Light Mode and Auto Shutdown Timer】Enhance your environment with the night light mode; this turbo fan offers two adjustable brightness levels. The lowest setting provides over 100 hours of illumination, perfect for creating a cozy atmosphere during nighttime activities. With the built-in timer feature, you can set the fan to automatically shut down after a specified period, providing convenience and energy savings. 【Durable ABS Construction】Crafted from premium ABS material, this fan is durable, shock-resistant, and life waterproof to withstand daily use, making it suitable for various indoor and outdoor settings.
WIWU S400 Aluminum Laptop Stand Portable, Adjustable and Foldable - Silver WIWU S400 Aluminum Laptop Stand Portable, Adjustable and Foldable – Silver
The Samsung 65″ Neo QLED QN85F 4K Vision AI Smart TV QA65QN85FAUXTW delivers a premium viewing experience with advanced Neo QLED display technology and intelligent AI processing. It produces bright, sharp, and highly detailed images with strong contrast, making movies, sports, and games more 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 look deeper while bright scenes remain vivid and balanced. This creates a more realistic picture across all types of content. Vision AI enhances both picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for optimal output. Therefore, the TV consistently delivers improved visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality. 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 between apps. In addition, the slim design with thin bezels gives the TV a modern and premium look. 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 optimizes picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
AOC 27G4H 27-inch 200Hz gaming monitor delivers ultra-fast performance for competitive gaming. It focuses on very high refresh rate, low response time, and smooth motion clarity for esports players. Additionally, it features a 27-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides accurate colors and wide viewing angles, so it ensures consistent visuals during gameplay. Moreover, it supports a 200Hz refresh rate with 0.3ms MPRT response time and 1ms GtG. As a result, it delivers extremely smooth motion and reduces blur in fast-paced scenes. The monitor includes Adaptive Sync technology. Therefore, it synchronizes the display with the GPU to reduce tearing and stuttering for fluid gameplay. In addition, it supports HDR10. This improves contrast and enhances visual depth, so games appear more realistic and immersive. Furthermore, it includes gaming features such as low input lag mode, custom crosshair, and preset game modes. These features help improve reaction time and aiming precision. The design also offers ergonomic adjustments with height, tilt, swivel, and pivot support. It includes HDMI 2.0 and DisplayPort 1.4 connectivity for modern gaming setups. AOC 27G4H 27-inch 200Hz gaming monitor provides high-speed performance, precise responsiveness, and advanced gaming features for competitive and serious gamers. Specifications: 27-inch Fast IPS panel with Full HD 1920 × 1080 resolution 200Hz refresh rate for ultra-smooth competitive gaming 0.3ms MPRT and 1ms GtG response time Adaptive Sync for tear-free and stable visuals HDR10 with low input lag and gaming modes
Introducing the ViewSonic VP2786-4K 27 4K ColorPro Monitor—a display that redefines visual excellence with its advanced features. To embark on a visual journey, this monitor boasts an impressive 4K resolution. Dive into crisp and detailed images, whether you’re editing high-resolution photos, creating content, or simply enjoying multimedia. Beneath its sleek exterior lies unparalleled color accuracy. The VP2786-4K ensures that every hue is reproduced with precision, making it an ideal choice for graphic designers, photographers, and content creators who demand perfection in color representation. Explore ergonomic design as the monitor offers customizable adjustments. Tilt, swivel, and pivot the display to your preferred viewing angle, ensuring comfort during extended work sessions. Connectivity is key, and this monitor provides a range of ports for seamless integration with various devices. Whether you’re using it as a primary display or expanding your workspace, the VP2786-4K adapts to your needs. In conclusion, immerse yourself in visual brilliance with the ViewSonic VP2786-4K 27 4K ColorPro Monitor. Experience 4K resolution, color accuracy, and ergonomic design. Choose the VP2786-4K for a display that elevates your visual experience to new heights. Specifications : Display : 27″ UHD, IPS ( 3840 x 2160) Refresh Rate : 60Hz Response Time : 5ms
The Samsung Smart Monitor M7 LS43DM702UMXUE features a 43-inch VA panel with 4K UHD resolution (3840 × 2160). It combines a monitor and smart TV platform in a single display, making it suitable for productivity, entertainment, and streaming without requiring a connected PC. The display supports a maximum refresh rate of 60Hz and provides sharp image quality for office work, media consumption, and general computing tasks. In addition, the 4K resolution offers four times the detail of Full HD content. Samsung equips this model with Tizen OS. Therefore, users can access streaming applications, web services, and smart features directly from the monitor. It also supports Samsung TV Plus and cloud-based productivity applications. Connectivity includes HDMI ports, USB ports, Wi-Fi 5, Bluetooth 5.2, and USB-C. The USB-C connection supports display input, data transfer, and up to 65W power delivery for compatible devices. The monitor includes built-in speakers and supports wireless screen mirroring from compatible smartphones, tablets, and laptops. As a result, users can share content without additional cables. This model focuses on productivity, entertainment, and smart connectivity while providing a large 43-inch 4K display. Specifications: 43-inch VA panel with 3840 × 2160 4K UHD resolution 60Hz refresh rate Tizen OS with built-in streaming applications USB-C with up to 65W Power Delivery Wi-Fi 5, Bluetooth 5.2, HDMI, and USB connectivity
The Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor delivers stunning visuals and immersive gaming experiences. It features a crisp 27‑inch 4K (3840×2160) display for ultra‑sharp image clarity. Moreover, the Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor supports high refresh rates for smooth gameplay. It includes advanced 3D features to bring virtual worlds to life. Also, the fast response time reduces motion blur in action scenes. In addition, it offers great color accuracy with HDR support for vibrant visuals. Plus, the monitor blends well with modern gaming setups and sleek decor. Furthermore, its ergonomic stand allows tilt, swivel, and height adjustments for comfort. Therefore, you get personalized viewing angles for long gaming sessions. It also supports NVIDIA G-SYNC or AMD FreeSync to prevent screen tearing. Meanwhile, built‑in speakers deliver basic sound without extra gear. Because of its thin bezels, the monitor creates a seamless multi‑monitor setup. Thus, gamers enjoy immersive edge‑to‑edge visuals without distraction. The Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor includes multiple HDMI and DisplayPort ports. Also, a USB hub port lets players connect peripherals easily. Moreover, its flicker‑free and low‑blue‑light modes ease eye strain. Then, LED backlighting enhances color uniformity and contrast levels. Also, adaptive sync keeps games smooth even under heavy graphical loads. Furthermore, factory calibration ensures accurate color right out of the box. In addition, the design supports VESA mounting for flexible placement. Therefore it fits on desks or wall mounts neatly. With durable build quality, the monitor stands up to intense everyday use. It stays cool under pressure thanks to efficient thermal design. Finally, the Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor balances performance, design, and comfort. Overall, it provides next‑level gaming visuals for serious gamers. Specifications: Display : 27″ IPS Resolution : 4K (3,840 x 2,160) Refresh Rate : 165Hz Response Rate : 1ms
The Lenovo ThinkVision T24-4v 23.8″ FHD IPS Monitor 64B6MAT1EU is a professional-grade display designed for productivity, video conferencing, and office workflows. It delivers a Full HD resolution with an IPS panel for wide viewing angles and consistent image quality. Additionally, its ergonomic stand supports height, tilt, swivel, and pivot adjustments for comfortable long-term use. This monitor features a 1920 × 1080 resolution with a 23.8-inch screen size. Moreover, it supports up to 120Hz refresh rate and a fast response time for smooth visual performance in everyday tasks. It also provides 99% sRGB color coverage for accurate and consistent colors. The ThinkVision T24-4v includes a full connectivity set with HDMI 1.4, DisplayPort 1.2, VGA, and a USB hub. Therefore, it supports modern and legacy devices in office environments. It also integrates USB-C and USB-A ports for flexible peripheral connections depending on configuration. It is equipped with built-in conferencing features including an integrated webcam, microphone, and speakers in supported configurations. Additionally, it supports low blue light technology and TÜV-certified eye comfort features for reduced eye strain during long work sessions. The Lenovo ThinkVision T24-4v 23.8″ FHD IPS Monitor 64B6MAT1EU is designed for professional users who need reliability, ergonomic flexibility, and consistent visual performance in daily productivity environments. Specifications: 23.8-inch Full HD (1920 × 1080) IPS display Up to 120Hz refresh rate for smooth visuals 99% sRGB color gamut for accurate color reproduction HDMI, DisplayPort, VGA, and USB hub connectivity Fully ergonomic stand with height, tilt, swivel, and pivot adjustment
lenovo battery L14M3P24 11.1V 45Wh 4050mAh L14M3P24 Battery COMPATIBLE L14S3P24 L14M3P24 L16M3P24 LAPTOP BATTERY FOR LENOVO IDEAPAD XIAOXIN 700 R720 Y700-14ISK Y520-15IKB Y720-14ISK SERIES 4 Cell Laptop Battery About this item Condition: New Voltage: 11.1V Capacity: 45Wh/4050mAh Replace Part Number: L14M3P24 L14S3P24 Fit For: Lenovo Ideapad 700 Ideapad 700 Series The Package Includes 1X L14M3P24 battery. Before purchasing, please open the laptop’s back cover to confirm the battery model and capacity. Raise the battery life: 1:After receiving the battery, Please charge it fully, then discharge it to around 10%, and do it three times. 2:If you don’t use the battery for a long time, please charge and discharge it once a month
Lenovo ThinkVision T32h-20 61F1GAT2EU The Lenovo ThinkVision T32h-20 .Do more than just optimize your productivity . with the ThinkVision T32h-20 monitor. An enhanced view of and easy navigation. through documents, spreadsheets, or designs on this sleek display that complements your modern workspace. Its vast 31.5-inch screen with QHD resolution delivers more screen real estate with higher clarity than FHD, making data-intensive work, number crunching, and content editing a breeze. The one-cable solution USB Type-C, HDMI, and DP ports provide multiple interface options. Integrated with Smart Power, the USB Type-C also doubles up. as a charger for dynamic consumption and intelligent power management. Top Features 31.5″QHD (2560 x 1440) 3-side Near-edgeless display USB Type-C one cable solution HDMI, DP ports with USB hub Ergonomic and space-saving design & UE Specifications Brightness 350 cd/m2 Contrast ratio 1000:1 Connection type 1 x USB Type-C Gen1 (DP1.2 Alt Mode)4 x USB 3.1 Gen1 ports (Downstream, incl. 1 x BC) Panel type In-Plane Switching Display stand Lift, Tilt, Pivot, Swivel EU energy class E Power requirement AC 100 to 240 V (50-60 Hz) Brand ThinkVision Anti-reflex Yes Color calibration accuracy Yes Color coverage 99% sRGB Color depth 10-bit Color support 1.07 Billion Measure without packaging 235.0 x 469.4 x 714.6 mm, 9.25 x 18.48 x 28.13 inches Gentle on the eyes Yes Screen dimensions (without foot) 714.6 x 426.0 x 51.0 mm, 28.13 x 16.77 x 2.01 inches Height adjustable Yes Kensington lock Yes Almost borderless Yes Sound bar support (optional) Yes Power consumption 28 W Typ. 138 W Max. TCO Edge 2.0 Display weight (without foot) 6.78 kg, 14.95 lbs. Weight with packaging 12.96 kg, 28.57 lbs. Weight without packaging 9.85 kg, 21.72 lbs. Description The Lenovo ThinkVision T32h-20’s large display can be used to open and work on several documents at once Its near bezel-less design fits into any modern workplace. Integrated USB Type-C dock with charging function up to 75 W (1 x USB 3.1 Type-C upstream. 4 x USB 3.1 Type-A downstream) – Smart Power for energy – TÜV Rheinland Eye Comfort Specifications: Specifications Product name Lenovo ThinkVision T32h-20 Monitor Product type Desktop monitor Display Display size 81.3 cm (32.0″) Physical resolution 2.560 x 1.440 WQHD Aspect ratio 16:9 Contrast 1000:1 Brightness 350 cd/m² Panel technology IPS Viewing angle (horizontal / vertical) 178° / 178° Response time 6 ms Display surface Matt Backlight White LED 1 year warranty
TP-Link 8 Port Gigabit Ethernet Network Switch | Plug and Play | Desktop or Wall-Mount | Plastic Case Ethernet Splitter | Fanless | Traffic Optimization | Unmanaged (TL-SG1008D),Black About this item PLUG-AND-PLAY – Easy setup with no configuration or no software needed ETHERNET SPLITTER – Connectivity to your router or modem router for additional wired connections (laptop, gaming console, printer, etc) 8 Ports GIGABIT ETHERNET – 8 10/100/1000 Mbps Gigabit auto-negotiation RJ45 ports greatly expand network capacity COST EFFECTIVE – Fanless Quiet Design, Desktop design RELIABLE – IEEE 802.3x flow control provides reliable data transfer UP to 80% Power Saving – Automatically adjusts power consumption according to the link status and cable length AUTO-NEGOTIATION – Supports Auto-MDI/MDIX, eliminating the need for crossover cables
The Samsung 27″ Smart Monitor M5 M50D (LS27DM501EMXUE) is an all-in-one display designed for work and entertainment. It combines a Full HD monitor with built-in smart TV features. Additionally, it allows direct streaming without a PC using integrated apps. Moreover, it features a 27-inch VA panel with Full HD resolution and a 60Hz refresh rate. It supports HDR10 and delivers wide viewing angles with consistent image quality. Furthermore, the monitor includes built-in speakers, Wi-Fi, and Bluetooth connectivity. It runs on Samsung Tizen OS, enabling access to apps, Samsung TV Plus, and Gaming Hub. It also supports multiple ports, including HDMI and USB-A, for easy device connection. Features like Multi Control and Workspace improve productivity across devices. Overall, the Samsung 27″ Smart Monitor M5 M50D delivers versatile use with streaming, productivity tools, and display performance in one device. Specifications: 27-inch Full HD (1920×1080) VA display 60Hz refresh rate with 4ms response time Built-in smart TV apps with Tizen OS Integrated speakers with HDMI and USB ports Wi-Fi and Bluetooth connectivity support
The Samsung 27″ G60SD QHD OLED Gaming Monitor delivers ultra-fast performance and stunning visuals. First, it features a QHD OLED panel with deep blacks and vibrant colors. The monitor offers a 360Hz refresh rate and ultra-low response time for smooth gameplay. In addition, it supports high performance gaming with sharp details and fluid motion. Moreover, the ergonomic design allows height and tilt adjustments for comfort. Therefore, gamers can enjoy competitive play with fast response, clear visuals, and immersive performance. Specifications: 27″ QHD OLED panel delivers deep blacks and vibrant colors 360Hz refresh rate ensures ultra-smooth and responsive gameplay Ultra-low response time reduces motion blur in fast-paced games Ergonomic design with height and tilt adjustment for comfort High-performance display enhances competitive gaming experience
Specification Details Input/Output Other Battery Capacity (mAh) 5000 Number of Devices Connectable Simultaneously 1 Touch Screen No Sound Mode Stereo Sound Mode Category Speakers Use Camping Tweeter Material Other Bluetooth Version 5.0 Input Power (W) 25-49 W Voice Control Yes Frequency Range 80 Hz – 20 KHz Display Screen No Waterproof Yes Support APP Yes Support Memory Card Yes Material Plastic Playback Function MP3, FLAC, APE, WAV Remote Control No Intelligent Personal Assistant Built-in Microphone Yes Audio Crossover Full-Range Number of Loudspeaker Enclosures 2 Power Source Battery PMPO 40 W Channels 1.1 Communication Audio Line Speaker Type Portable Cabinet Material Plastic Brand Name YIBOLANG Origin Mainland China Certification CE
Genuine-spec touchpad flex cable for MacBook Pro 14″ (Model A2442, 2021, M1 Pro/Max)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control. Compatible With: MacBook Pro 14-inch (2021, Model A2442) with Apple M1 Pro or M1 Max chip (Model Identifiers: MacBookPro18,3 / MacBookPro18,4). Part Type: Touchpad flex cable only—does not include the trackpad, Taptic Engine, or mounting brackets. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Carries touch input, Force Touch pressure data, and haptic feedback signals—critical for macOS trackpad gestures, Force Click, and Taptic Engine responsiveness. OEM-Quality Build: Matches Apple’s original flex circuit in length, connector pitch, shielding, and bend geometry—ensures reliable signal transmission and durability under repeated use. Common Use Cases: Replacing a damaged, torn, or corroded original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad issues, unresponsiveness, or loss of Force Touch Replacing a damaged, torn, or corroded original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad issues, unresponsiveness, or loss of Force Touch Installation Note: Requires full bottom case removal and careful routing beneath internal components. Connectors use ZIF (Zero Insertion Force) sockets—must be seated properly without force. Recommended for certified or highly experienced technicians only.
WiWU Waterproof Large Capacity Minimalist Backpack Business Laptop Backpack Bags with Multi-Pockets For digital gadgets Minimalist Style Water-resistant material,Polyester Large Capacity Have Stock Size:15.6 inch
