1. Support tablets, laptops, mobile phones, such as Air, mini, Pro, Xs Max, etc. (devices without Bluetooth need to purchase a Bluetooth receiver by themselves) 2. Ultra-thin, light and portable:This Bluetooth keyboard is designed for anyone who needs a portable keyboard for work or play, especially for business travel. 3. Charging and automatic sleep mode:The universal wireless bluetooth keyboard uses a built-in lithium battery, which can be through a USB cable, no need to replace the battery. The built-in rechargeable battery is very long-lasting, with a standby time of about 6 months on a charge. The Bluetooth wireless keyboard can automatically enter sleep mode to save energy. 4. Stable connection:Advanced Bluetooth technology provides wireless connectivity with a working range of 10 meters. But for desktop laptops without bluetooth function, you need to plug in a bluetooth adapter (not included) to install the bluetooth driver to use. 5. Comfortable and quiet typing:Quiet, low-profile keys bring a whole of comfort to your fingertips. Plus, keep all your most-used functions and media controls closer together than Windows-specific hotkeys. Type: Slim Keyboard Connection with computer: Bluetooth Interface: Bluetooth Operating distance: 10 (meters) Optical resolution: 1600dpi Applicable models: laptop, mobile phone, tablet Colour:A: black Material:ABS Size: 24.7 x 15 x 0.6CM Package Contents: 1 x keyboard 1 x dual-mode mouse 1 x data cable 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.