Genuine-spec US layout (QWERTY) keyboard replacement in Midnight Blue for MacBook Air 13.6″ (Model A2681, M2, 2022)—featuring Apple’s Magic Keyboard with scissor-switch mechanism, backlighting, and precise OEM fit. Compatible With: MacBook Air 13.6-inch (2022, Model A2681) with Apple M2 chip – specifically designed for the Midnight color variant. Layout: Standard US English (QWERTY) with wide Enter key, inverted-T arrow keys, and full function row—matches Apple’s original US configuration. Design: Apple’s Magic Keyboard with scissor-switch mechanism—offering quiet, stable keystrokes, 1mm key travel, and enhanced durability over older Butterfly designs. Color: Midnight Blue keycaps—specially matched to the Midnight finish of the A2681 MacBook Air for seamless visual integration. (Note: This keyboard is not recommended for Silver, Space Gray, or Starlight models due to color mismatch.) Features: Integrated backlighting, ambient light sensor compatibility, and OEM-style flex cable connector for direct logic board connection. Precision Fit: Engineered to exact Apple specifications for alignment, key spacing, and mounting—ensures a flush, secure fit within the original top case. Installation Note: The keyboard is factory-glued into the top case. Replacement requires full disassembly and professional-grade re-adhesion. Recommended for experienced technicians only.
About this item Multifunctional: retro portable speaker, supports Bluetooth transmission, U disk, memory card, AUX (connect to MP3, MP4 player, smartphone, PC) to play music. It is easy to enjoy stereo sound for music lovers. Long battery life: the Bluetooth speaker has a built-in 1500 mAh battery, is rechargeable and environmentally friendly, and offers a battery life of 8 hours so that you can enjoy your favorite music and radio stations for a long time. CLEAR SOUND The radio speaker with a built-in powerful DSP chip and antenna ensures excellent reception, allowing you to experience clear sound. The transmitters can be easily selected to find your favorite FM channels. POWERFUL: This wireless speaker is compact, but with high power, the 5W speaker delivers powerful sound quality. Allows you to enjoy the rich and impressive sound and transform your room into an enchanting listening environment. RETRO DESIGN The small wireless FM radio speaker with charming and versatile design combines classic aesthetics and is a delightful addition to your sound collection. Perfect for living room, bedroom, party, etc.
HP LaserJet 179fnw is a compact color laser multifunction printer that offers printing, scanning, copying, and faxing in one device. With Wi-Fi wireless printing, fast performance, and high-quality color output, it is suitable for small offices, home offices, and business use.
Looking for a top-notch monitor to enhance your computing experience? The MSI Pro MP275Q 27″ 100Hz Monitor is the perfect choice. This monitor offers superior performance and stunning visuals, making it ideal for both work and play. Firstly, the 27-inch screen provides ample space for multitasking. Whether you’re working on multiple documents or enjoying a movie, the large display ensures you have all the room you need. The Full HD resolution delivers sharp and clear images, enhancing every detail. The 100Hz refresh rate is a standout feature of this monitor. It provides smooth and fluid visuals, which is particularly beneficial for gaming and video playback. You won’t experience any stuttering or lag, ensuring a seamless viewing experience. Another advantage of the MSI Pro MP275Q is its wide color gamut. This feature ensures vibrant and accurate colors, making it perfect for tasks that require color precision, such as photo editing or graphic design. Your projects will look exactly as you intend them to. Moreover, the monitor includes advanced eye care technology. It reduces blue light emission and flicker, helping to minimize eye strain during long periods of use. This makes it an excellent choice for professionals who spend hours in front of their screens. Connectivity is also a breeze with the MSI Pro MP275Q. It features multiple input options, including HDMI and DisplayPort, allowing you to connect various devices effortlessly. This flexibility ensures compatibility with your existing setup. In conclusion, the MSI Pro MP275Q 27″ 100Hz Monitor offers a superior viewing experience with its large screen, high refresh rate, vibrant colors, and eye care technology. Upgrade your setup today and enjoy enhanced performance and stunning visuals. Specifications: Display : 27″ IPS Resolution : 2560 x 1440 (WQHD) Refresh Rate : 100Hz Response Rate : 1ms MRPT
The MSI PRO MP251 Series monitor is designed for professional work and everyday productivity. It features a 24.5-inch display that balances screen size and desk space efficiently. Therefore, it helps users stay focused while maintaining a clean and organized workspace. Moreover, the IPS panel delivers consistent colors and wide viewing angles for collaborative work. The Full HD resolution ensures clear visuals for documents, browsing, and media tasks. In addition, the 100Hz refresh rate provides smoother performance compared to standard office monitors. The built-in EyesErgo technology helps reduce eye strain during long working hours. As a result, users experience better comfort and improved productivity. Furthermore, TÜV-certified anti-flicker and low blue light features support healthier screen usage. In addition, the monitor includes practical features such as built-in speakers, VESA mount compatibility, and multiple connectivity options. This makes it suitable for both home and office setups. MSI PRO MP251 Series offers a reliable and ergonomic solution for daily computing needs. Specifications: 24.5-inch Full HD (1920 × 1080) IPS display 100Hz refresh rate for smoother workflow MSI EyesErgo with anti-flicker and low blue light Wide 178° viewing angles for consistent colors HDMI and VGA connectivity with VESA mount support
Looking to add a touch of efficiency to your workspace? Meet the ViewSonic 24″ 60Hz Touch Monitor TD2455. With its intuitive touch functionality, this monitor redefines productivity. First and foremost, let’s talk about versatility. The TD2455’s 24-inch display size strikes the perfect balance between screen real estate and desk space. Enjoy ample room for multitasking without overwhelming your workspace. Transitioning to touch capabilities, the TD2455 offers a responsive and intuitive touch experience. Navigate through applications, annotate documents, and interact with content effortlessly with just the touch of your fingertips. Moreover, its ergonomic design ensures comfortable viewing angles, reducing strain during extended work sessions. Tilt, swivel, and adjust the height to find the perfect position that suits your needs. Additionally, with a refresh rate of 60Hz, the TD2455 delivers smooth and fluid visuals, enhancing the overall user experience. Whether you’re browsing the web, editing documents, or watching videos, every task feels seamless. Furthermore, the monitor’s Full HD resolution ensures crisp and clear imagery, making text and graphics sharp and legible. Say goodbye to pixelation and hello to clarity, enhancing your productivity and workflow. In conclusion, the ViewSonic 24″ 60Hz Touch Monitor TD2455 is a game-changer for professionals seeking a versatile and efficient display solution. From its intuitive touch functionality to its ergonomic design and crisp visuals, it’s the perfect addition to any workspace. Upgrade today and take your productivity to new heights. Specifications: Type-C Input Display : 24″ IPS Resolution : FHD(1920×1080) Refresh Rate : 60Hz Response Rate : 6ms
The Samsung 65″ The Frame LS03F 4K QLED Art Mode Smart TV QA65LS03FAUXTW uses a 65-inch LCD panel with 3840 × 2160 4K resolution. It is designed for both regular TV viewing and wall-mounted display use with an art display mode. The panel uses Quantum Dot (QLED layer) technology to improve color output. As a result, it produces more accurate and wider color reproduction compared to standard LCD panels. In addition, it supports 4K upscaling for lower-resolution content. The TV supports HDR formats for compatible content. This increases contrast between bright and dark areas and improves visible detail. Also, motion processing reduces blur during fast-moving scenes such as sports and action content. Samsung equips this model with Tizen OS. Therefore, users access streaming apps, SmartThings integration, and smart features through a unified interface. It also supports Wi-Fi and Bluetooth for wireless device connections. Connectivity includes HDMI ports, USB ports, Ethernet LAN, and optical audio output. It supports external devices such as gaming consoles and sound systems. This model includes Art Mode, which displays images or artwork when the TV is not in active use. Specifications: 65-inch 4K UHD LCD panel (3840 × 2160 resolution) Quantum Dot (QLED layer) color enhancement 4K upscaling for lower-resolution content HDR support for compatible content Tizen OS with HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity
The Alienware AW2723DF 27″ 280Hz Gaming Monitor is made for gamers who want smooth performance and sharp visuals. It features a 27-inch Fast IPS screen with QHD resolution (2560 x 1440) for detailed and vibrant images. With a 240Hz native refresh rate, overclockable to 280Hz via DisplayPort, it delivers incredibly fluid motion. Its 1ms response time keeps gameplay sharp, reducing blur during intense action. It supports AMD FreeSync Premium Pro and is G-SYNC compatible, helping to eliminate screen tearing and stuttering. This ensures a smooth experience across all types of games. The display offers 100% sRGB and 95% DCI-P3 color coverage, making colors rich and lifelike. It also supports HDR with 600-nit brightness, which improves contrast and light detail. For connectivity, it includes two HDMI 2.0 ports, one DisplayPort 1.4, four USB 3.2 Gen 1 ports, and audio out, giving you flexible connection options. A built-in USB hub helps manage your accessories with ease. The stand supports height, tilt, swivel, and pivot adjustments for ergonomic comfort. You can also mount it using VESA compatibility, giving you more control over your setup. Extra features include AlienFX lighting, Picture-in-Picture (PiP) and Picture-by-Picture (PbP) modes. These tools enhance your multitasking and customization. In short, the Alienware AW2723DF is a powerful gaming monitor that combines speed, color accuracy, and versatility for both competitive play and creative work. Specifications: Display : 27″ Fast IPS Resolution : QHD 2560 x 1440 Refresh Rate : 280Hz Response Time : 1ms
A1953 A1990 Battery Replacement for MacBook Pro 15″ Mid 2018 2019 EMC 3215 EMC 3359 Touch Bar MV902LL/A MV912LL/A MV922LL/A MV932LL/A MV942LL/A MV952LL/A MV962LL/A MV972LL/A MV902B/A MR962LL/A 【Specification】Voltage: 11.4V. Capacity: 83.6Wh 7336mAh. Battery Type: Li-ion. Condition:100% New from Manufacturer. Condition: Brand new, from high quality materials, top circuit boards and smart chip. 【Compatible Part Number】A1953 A1990 (EMC 3215) A1990 (EMC 3359) 020-02391 820-01095 080-333-400 2217-2548 MacBookPro15,1 MacBookPro15,3. 【Compatible Laptop Models】Battery replacement for MacBook Pro (15-inch, Model A1990, Mid 2018, Mid 2019) : MR962LL/A, MR972LL/A, MR932LL/A, MR942LL/A, MV922LL/A, MV932LL/A, MV902LL/A, MV912LL/A, MV942LL/A, MV952LL/A, MV962LL/A, MV972LL/A, MR952LL/A, MV902xx/A, MV912, MV922, MV932, MV942, MV952, MR932, MR942, MR952, MR962, MR972, MUQH2. 【ANTIEE Promise】Everyone of our replacement batteries has tested with strict quality control standards to ensure the true capacity, stable current and low self-discharge. All ANTIEE batteries are UL / CE / FCC / RoHS Certified for safety, we are confident in the performance of the replacement battery.
The ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor offers smooth visuals for work, entertainment, and gaming. It delivers sharp Full HD clarity with bright colors. The screen shows clean images that make videos and documents look better. This helps you enjoy a more comfortable viewing experience. Moreover, the ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor features a fast 100Hz refresh rate. This reduces motion blur during fast scenes. It makes gaming smoother and more responsive. It also improves scrolling and general use. In addition, the monitor includes HDMI and VGA ports. These connections make setup quick and simple. You can use the monitor with laptops, PCs, and media devices. This offers strong flexibility for daily tasks. Furthermore, the ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor has an eye-care design. It includes flicker-free technology to reduce strain. The blue light filter helps protect your eyes during long sessions. This makes the monitor ideal for work and study. Also, the slim frame design gives the monitor a modern look. It saves space on your desk and improves your workspace. The clean edges make multi-monitor setups easy and seamless. This helps create a professional environment. The stand on the ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor offers stable support. You can tilt the screen for better viewing comfort. This helps you find a position that suits your posture. It improves your daily productivity. Overall, the ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor provides clear visuals, smooth motion, and strong comfort. It works well for gaming, work, streaming, and general use. It is a reliable choice for users who want performance and simplicity. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 100Hz Response Time : 5ms
The MSI G32CQ5P 32″ 1ms 170Hz Curved Gaming Monitor delivers immersive visuals and fast performance for gamers and entertainment users. Its large 32‑inch curved screen wraps slightly around your view, making games, movies, and work more engaging. Moreover, the high 170Hz refresh rate ensures smooth motion and responsive gameplay so action looks fluid and natural. This gaming monitor features a quick 1ms response time that reduces motion blur and ghosting, giving you clearer visuals during intense gaming sessions. Additionally, the vivid colors and rich contrast make visuals more vibrant and detailed, enhancing your overall viewing experience. The sleek design fits gaming setups and home offices with ease, adding a modern touch to your space. The MSI G32CQ5P includes multiple connectivity options, allowing you to connect gaming PCs, consoles, and multimedia devices quickly and easily. Furthermore, ergonomic tilt adjustments help maintain comfortable viewing during long play or work sessions. Therefore, it is ideal for gamers, students, and professionals seeking both performance and style. Finally, it combines immersive curved visuals, smooth performance, and practical design for everyday use. Specifications: 32″ curved gaming monitor 1ms response time for reduced motion blur 170Hz refresh rate for smooth gameplay Vivid colors and immersive visuals Multiple connectivity options
Meetion Wireless Optical Mouse, Black | R547 DPI switch button Resolution 800/1200/1600dpi 2.4GHz USB Nano receiver included (range-up to 10m)
Are you in search of the ultimate gaming monitor for an immersive experience? Look no further than the BenQ Mobiuz 27″ 4K 144Hz Gaming Monitor. With its stunning display and advanced features, it’s a game-changer. Firstly, let’s talk about the visual brilliance. This monitor boasts a 4K resolution, delivering crisp and clear images that bring games to life. Whether you’re exploring vast landscapes or engaging in intense firefights, every detail is rendered with precision. The 144Hz refresh rate ensures buttery-smooth gameplay, eliminating motion blur and ghosting for a seamless experience. Say goodbye to lag and hello to responsiveness like never before. Experience true-to-life colors with the monitor’s HDRi technology. It enhances contrast and clarity, making colors pop with vibrancy. Get ready to dive into games with stunning visuals that rival real life. Immerse yourself in the action with the monitor’s integrated speakers. With rich, immersive sound, you’ll feel like you’re right in the middle of the game. Say goodbye to external speakers cluttering your desk. Enhance your gaming experience further with customizable features. From adjustable height and tilt to built-in eye-care technology, this monitor is designed with the gamer in mind. Stay comfortable during extended gaming sessions without sacrificing performance. In conclusion, the BenQ Mobiuz 27″ 4K 144Hz Gaming Monitor is a powerhouse that takes your gaming to the next level. With its stunning visuals, smooth gameplay, and ergonomic design, it’s a must-have for any serious gamer. Upgrade your setup today and elevate your gaming experience. Specifications: Display : 27″ IPS Resolution : 4K(3840×2160) Refresh Rate : 144hz Response Rate : 1 ms
The LG UltraGear 27″ 180Hz Curved Monitor is built for gamers who demand smooth visuals and immersive experiences. Its 27-inch curved screen pulls you into the action with an engaging field of view. With a 180Hz refresh rate, this monitor delivers ultra-smooth motion, reducing blur during fast-paced gameplay. The LG UltraGear 27″ 180Hz Curved Monitor also supports high resolution for sharp details and vibrant visuals. Its curved design enhances immersion, making games, movies, and work tasks more enjoyable. The IPS panel ensures accurate colors and wide viewing angles for consistent quality. Additionally, the LG UltraGear 27″ 180Hz Curved Monitor includes AMD FreeSync and NVIDIA G-SYNC compatibility. This reduces tearing and stuttering, ensuring smoother gaming performance. Its low response time allows quick reactions, giving competitive players a clear advantage. With HDR support, the monitor delivers better brightness and contrast for lifelike imagery. The LG UltraGear 27″ 180Hz Curved Monitor also provides multiple connectivity options, including HDMI and DisplayPort. Its ergonomic stand offers height, tilt, and swivel adjustments for comfortable viewing. The slim bezel design gives it a modern look and maximizes screen space. Built-in gaming features like Crosshair and Black Stabilizer improve accuracy and visibility in competitive titles. The LG UltraGear 27″ 180Hz Curved Monitor is not only stylish but also reliable for long hours of use. It is ideal for gamers, streamers, and anyone who values speed and immersion. Ultimately, this monitor offers a perfect balance of performance, design, and comfort. Specifications: Display : 27″ VA Resolution : QHD (2560 x 1440) Refresh Rate : 180Hz Response Rate : 1ms GTG Curvature : 1000R
TE03XL Battery TE03061XL for HP Omen 15-ax000:15-ax033dx 15-ax210nr 15-ax001ns;HP Pavilion 15-bc000:15-bc008tx and More 849910-850 849570-541 542 543 HSTNN-UB7A TPN-Q173-11.55V 61.6Wh 3-Cell About this item Specifications: – Battery type: Li-ion || Voltage: 11.55VV|| Capacity: 61.6Wh || Cells: 3-cell Compatible Models: – HP Omen 15-ax000:(15-ax000~15-ax099);HP Pavilion 15-BC000 Series (15-bc000~099;15-bc300~399) Replacement Part Number: – HP TE03XL HSTNN-UB7A TPN-Q173 TE03061XL 849910-850 849570-541 849570-542 849570-543 3ICP7/65/80Replacment Part Number: – HP TE03XL HSTNN-UB7A TPN-Q173 TE03061XL 849910-850 849570-541 849570-542 849570-543 3ICP7/65/80 Easy Installation: The replacement process is straightforward and provides our tools.
Samsung Odyssey 49″ OLED G9 Curved Gaming Monitor features a wide Dual QHD (5120 × 1440) resolution on a large ultrawide screen. Additionally, the OLED panel delivers vibrant colors with deep contrast and fast pixel response. This makes scenes look sharp and lifelike for games and media. The monitor’s curved design wraps around the view for greater immersion. Moreover, this model supports a high refresh rate and quick response time for fluid motion. Therefore, action and gameplay appear smooth with minimal blur. It also includes adaptive sync support that works with graphics cards to reduce screen tearing. Samsung equips this monitor with multiple connection options for modern devices. Furthermore, the panel offers wide viewing angles to maintain consistent color even at sharp angles. Eye comfort features help reduce eye strain during long sessions. The ergonomic stand lets users adjust the screen for a comfortable setup. As a result, this monitor suits both gaming and everyday tasks. Specifications: 49″ Dual QHD (5120 × 1440) OLED curved display for expansive and detailed visuals High refresh rate and ultra‑fast 0.03 ms pixel response for smooth gameplay Adaptive sync support reduces screen tearing with compatible graphics cards Wide viewing angles with vibrant color and deep contrast Multiple connectivity options for modern gaming and devices
RK ROYAL KLUDGE RK918 Wired Mechanical Keyboard, RGB Backlit Gaming Keyboard with Large LED Surrounding Side Lamp, Full Size 108 Keys Mechanical 100% Anti-Ghosting Computer Keyboard, Red Switch White About this item 【Full Size 108 Keys & Anti Ghosting Mechanical Keyboard】: 100% percent layout 108 key Mechanical keyboard. All keys do not conflict, ensure that every click is registered, and greatly improve the gaming and typing experience. Press FN and F1~F12 keys could quickly activate the multi-function keys, running for what you demand immediately. It is a great choice as a Christmas gift 【RGB Backlit & LED Surrounding Side Lamp】: The RGB backlight keyboard has more than 20 backlight modes, including interactive backlight, breathing backlight modes, dynamic RGB mode, etc. Besides, there are large LED surrounding side lamps. These all will give you more enjoyable when you gaming or typing at night 【Mechanical Red Switches & Double Shot Keycaps】: Offering linear and quiet typing feedback, smooth top-to-bottom actuation travel distance with shallow sound. If you prefer a quiet environment and a small operating force, red switches are the right choice. Double shot keycap type is produced when two layers of plastic are molded into each other. No printing is necessary. The result is a key legend that will never fade or chip off 【Wide Compatibility & Software Support】: Compatible with Windows, Mac, Linus, etc. The wired connection enables stable transmission without worrying about the impact of the signal. Through RK software, you can customize RGB mode and color, redefine key function, customize macros, and set gaming mode 【Professional and Reliable Service】: RK ROYAL KLUDGE has a professional service team. Over the years, we have kept bringing high-quality products and services to customers, so that we have gained the love and trust of many customers. If you have any questions, you can contact us anytime. RK ROYAL KLUDGE will spare no effort to provide every customer with the best service within 24 hours.
Looking for a versatile display that takes your entertainment to new heights? Look no further than the LG 31.5″ Smart Monitor. This all-in-one powerhouse combines stunning visuals with smart features for an unparalleled viewing experience. First and foremost, let’s talk about size. With its expansive 31.5-inch display, you’ll enjoy every detail with clarity and precision. Whether you’re watching movies, gaming, or multitasking, the large screen provides ample space for all your needs. Transitioning to connectivity, the LG Smart Monitor offers a range of options to connect all your devices seamlessly. With built-in Wi-Fi and Bluetooth capabilities, you can stream your favorite content effortlessly from your smartphone, tablet, or laptop. Moreover, the monitor’s smart features elevate your entertainment experience to the next level. With webOS, accessing your favorite streaming apps like Netflix, Disney+, and YouTube is just a click away. Say goodbye to external streaming devices and enjoy hassle-free entertainment. In terms of picture quality, the LG Smart Monitor doesn’t disappoint. With crisp Full HD resolution and vibrant colors, every scene comes to life with stunning clarity and detail. Whether you’re watching movies or browsing photos, the visuals are truly immersive. Furthermore, the monitor’s sleek design adds a touch of elegance to any space. Its slim bezels and minimalist stand complement any décor, making it a stylish addition to your home or office setup. In conclusion, the LG 31.5″ Smart Monitor is the ultimate entertainment hub you’ve been searching for. With its expansive display, smart features, and stunning picture quality, it redefines the way you experience entertainment. Upgrade your viewing experience today and immerse yourself in a world of endless entertainment possibilities. Specifications: Display : 31.5″ IPS Resolution : 1920 x 1080 Response Rate : 8ms TYP Speaker : 5W x2
WiWU WM108 Wimice Dual‑Mode Mouse – Bluetooth 5.0 and 2.4 GHz wireless mouse with 800/1200/1600 DPI, silent clicks, and ergonomic ABS housing.Long battery life (~6 months standby), USB dongle & silent design—ideal for travel, office, and quiet environments. Model: WiWU Wimice WM108 Connection Modes: Bluetooth 5.0 2.4 GHz wireless via USB dongle Connection Modes: Bluetooth 5.0 2.4 GHz wireless via USB dongle DPI Settings: 800 / 1,200 / 1,600 DPI (adjustable) Buttons: 3 standard buttons + clickable scroll wheel (4 keys total) Range: Up to 10 m wireless connectivity Material/Design: Lightweight (67–130 g, depending on source), ergonomic ABS plastic body, magnetic base or “super magnetic absorption” design Operating Range: ≈10 m Silent Clicks: Quiet operation—silent key action Dimensions: Approx. 108 × 64 × 36 mm Weight: 67 g cited by Star Tech and 130 g by others—likely lighter in official spec Compatibility: Windows, macOS, Linux, Android, etc. Plug-and-play, no driver needed
LG 22 inch HD LCD Monitor E2290V is designed for clear visuals, slim styling, and daily home or office use. It features a 21.5-inch LED display with Full HD 1080p resolution for sharp picture quality. Additionally, it uses an ultra-slim 7.2mm design with LED backlighting. Therefore, it works well for productivity, media viewing, and general computer tasks. The LG 22 inch HD LCD Monitor E2290V delivers 1920 × 1080 resolution with a 5ms response time and 250 cd/m² brightness. Moreover, it includes a 10,000,000:1 dynamic contrast ratio for deeper image detail. It supports HDMI, DVI-D, D-Sub, and headphone out for flexible connectivity. Furthermore, the monitor includes tilt adjustment and anti-glare surface treatment for better comfort during long sessions. In addition, it supports Full HD viewing with 16.7 million colors and ENERGY STAR qualification. As a result, users get a stylish and practical display for everyday use. Specifications: 21.5-inch Full HD 1920 × 1080 LED display Ultra-slim 7.2mm monitor design 5ms response time with 250 cd/m² brightness HDMI, DVI-D, D-Sub, and headphone out Tilt adjustment with anti-glare screen surface
