1、Outstanding Compatibility: The Bluetooth keyboard is compatible with for Android and for Win systems. Suitable for smartphones, tablets, laptops. 2、Comfortable Bluetooth Keyboard: The keyboard keys are tetragonum chocolate keycaps, ergonomic design with touchpad design, more comprehensive function, quiet typing, providing you with a comfortable and pleasant typing experience. 3、Lightweight and Compact: This keyboard is lighter and smaller than traditional keyboards, making it easy to carry. It won't take up more space on your desk or bag. The front side is brushed and the back side is ultra thin glossy aluminum design. 4、Long Term Use: Built in rechargeable lithium battery for extra long standby time up to 150H. If not used for a long time, the keyboard will automatically go into hibernation to save power. If you want to continue to use it, just click any key to wake up the keyboard. 5、Bluetooth Connectivity: The keyboard uses stable Bluetooth 5.0 technology with a working distance of up to 10 m. Easy to use, with hot keys for volume control, play pause, previous song, next song, etc. Item Type: Bluetooth Wireless Keyboard Material: ABS Color: Black Battery Type: Built In 400mAh Lithium Battery (Included) Bluetooth Version: Bluetooth 5.0 Bluetooth Distance: Approx.Within 10m / 10.9yd Support System: Compatible With for Android for Win Scope Of Application: Applicable To Smartphones, Tablets, Laptops 1 x Bluetooth Keyboard