Full-Size Ergonomic Comfort: The ProtoArc Ergonomic Keyboard features a unique curved split-frame design that actively reduces strain on your wrists and forearms and promotes proper posture. The scooped keys are crafted to fit your fingertips perfectly, making typing effortless and natural. Please note: we recommend checking the dimensions before ordering to ensure an ideal fit for your workspace. (While our full-size ergonomic keyboard enhances productivity, it may occupy more desk space). Learning curve: Since it takes some time to adapt to the keyboard layout when you first use our ergonomic keyboard, it may cause inconvenience to your use, We recommend that you take 1-2 weeks to get used to it, but our ergonomic design will help relieve the muscle pressure on your wrists and forearms. Adjustable Backlighting: The ergonomic keyboard features soft white LED backlighting with three adjustable brightness levels (Low, Mid, High), allowing you to customize your comfort in any lighting. You can also turn the backlight off entirely to conserve power. This flexibility directly impacts battery life: enjoy up to 12-13 hours in High mode, 18-20 in Medium, 34-36 in Low, and an extended 90-100 days with the backlight off. Cushioned Wrist Rest & Adjustable Tilt Feet: Experience comfort with our ergonomic keyboard. The curved wrist rest provides 54% more support to reduce wrist fatigue, ensuring comfortable typing for hours. With four adjustable tilt feet, you can choose the keyboard to three different angles, keeping your wrists relaxed whether you're sitting or standing. Note: The keyboard backlight adjusts based on inactivity periods to conserve power: After 1 minute: Backlight turns off (press any key to wake); After 60 minutes: Enters deep sleep mode with backlight disabled (press any key to wake the keyboard within 3 seconds, then manually turn on the backlight). Seamless 3 Device Switching: Switch between devices effortlessly. With Bluetooth and 2.4G USB connectivity, this wireless keyboard can pair with up to three devices simultaneously. A simple key press lets you jump between your laptop, tablet, and computer. It’s compatible with Windows 8/10 or above, Mac OS X 10.12 or above, Android 4.3 or above, and Microsoft systems. (The keyboard cannot be connected via wire). USB-C Fast Charging: The ergo keyboard is equipped with a large 2000mAh rechargeable battery, offering extended working hours—especially with the backlight turned off. Focus on your tasks without worrying about frequent charging.(The USB charging cable can only be used for charging, not for wired connection). Charging Tips: For optimal performance, charge the keyboard using a computer’s USB port or a DC 5V 1A charger. Avoid using fast chargers or high-power adapters, as they may affect the keyboard’s performance. (All keys of the keyboard are not programmable). In 2.4G mode, the keyboard is not compatible with the Mac OS/ IOS system, resulting in some function keys not being able to be used normally. please try switching to Bluetooth mode; By default, F1-F12 are multimedia function keys. it need to press Esc+Fn to turn off to switch to traditional key functions
