【Scientific-Based Ergonomic Design】 Comes with a pillowed wrist rest, which offers 58% more wrist support and reduces wrist bending by 25%. The curved split key-frame design reduces muscle strain on your wrists and forearms which works as a posture corrector and keeps hands, neck, and shoulders relaxed.【Backlit illuminated Keyboard】 With gentle white LED backlight, the keyboard make it easy typing in dimmer light environment, allow you to work day and night without straining your eyes. The illuminated keyboard has 3 adjustable brightness levels: low-mid-high-off to suit all your needs.【Function Across 3 Devices】 The wireless ergonomic keyboard allows you to connect via Bluetooth or a 2.4G USB receiver. You can connect up to 3 different devices at the same time and easy switch between them by just pressing a single key. Widely compatible with Windows 7/8/10, Mac OS X 10.12, Android 4.3 or higher, Microsoft system.【Quiet & Comfortable Typing】 Scissor switch structure make every keystroke quiet and fast rebound, scooped keys match the shape of your fingertips, offering quick and precise typing experience. Ergonomically-designed tilt legs lift the keyboard at a perfect angle to keep your wrist comfortable and relax whether seated or standing.【Fast Recharge & Long Lasting】 The ergo keyboard is equipped with a rechargeable Lithium (1100 mAh) battery, the battery holds power for up to 100 hours of usage on a single full charge. You can focus on work and worry less about charging.Note: For better customer experience, We added PgUp PgDn Home End function on “Direction Keys” for this keyboard. Press FN and “Direction Keys” to realize PgUp PgDn Home End. Single press “Direction Keys” to realize direction key function. You can download the Product FAQ documents on the details page (Product guides and documents) Product Description EK01 Ergonomic Wireless Keyboard ALl-Day Comfort Type more naturally with ProtoArc EK01. The ergonomic split keyboard with cushioned palm rest, curved split keyframe and responsive scissor keys - Reduces wrist strain, keep your hands and shoulder relaxed as well as improve typing posture. Natural Type, Less Strain You’ll type more naturally with a curved, split keyframe that improves typing posture. One Keyboard for 3 Devices You can connect up to 3 different devices at the same time via Bluetooth & a 2.4G USB receiver. 1 Wide Compatibility 2 Ergonomic Design 3 Multi-device Connection Adjustable 3-level Brightness Low-mid-high adjustable brightness, easy type in different dimmer light environment. Pillowed Wrist Rest 3 layers of comfort: soft synthetic leather, high-density support foam and Comfortable memory foam. Long Lasting Battery 1100 mAh Lithium battery holds power for up to 100 hours of usage on a single full charge. 1 Adjust Light Brightness 2 More Wrist Support 3 Rechargeable 4 Modern Sleek Design Adjustable Palm Lift Help you adjust keyboard at a perfect angle, keep your wrist in a natural, comfortable posture whether seated or standing. Scissor-Switch Keys Scissor switch structure make every keystroke quiet and fast rebound, provide quick and precise typing experience, keep away from noise. Multi-system Compatible Compatible with Windows/Mac OS/iOS/Android operating systems, etc. Suitable for your PC,computer,laptop, MacBook or tablet. Package Included 1x Advanced Ergonomic Keyboard 1x USB Receiver 1x USB-C cable for recharging 1x User Guide PAIR WITH ProtoArc EM01 Enjoy more effienct work with a thumb-control trackball mouse, say goodbye to wrist pain. PAIR WITH ProtoArc EM11 Give your hands and wrists an extended rest with RGB wireless vertical mouse, provide 4 different RGB light effects. How to use the function keys? Before using the function keys, please press the FN+ESC keys to turn on the FN function, then you can press the F1-F12 keys to get the relevant functions. Where is music volume control keys? The forward, back, volume up/down and the play/pause form a circle in the center of the keyboard above space bars. Up/down, forward and back are on the outside and the play/pause is in the middle of the circle. Where is pgup, pgdn, home and end keys? They are on the right side of the keyboard (Press "NumLK" key to shift, number 3 key is pgdn,the number 9 key is pgup,number 7 is Home, number 1 is End.) How to switch between different devices? Short press the keyboard connection button to easily switch among multiple mode devices. Track Page Views WithAuctiva's Counter