Mini Wireless Keyboard Bluetooth-Compatible For Phone Tablet Laptop Color Backlit Specification: Built-in lithium battery, Type-C port charging; Bluetooth version: 5.2 Effective distance: 10 meters; Modulation system: GFSK. Standby time: 60-80 days; Charging time 4-5 hours; Continuous operation: 60-80 hours; Battery type: lithium battery: Battery capacity: 300mA; Material: ABS+Plastic; Support OS:For Android, For iOS, For Windows, For Mac;. Net weight:62g; Keyboard size:132*67*9mm;. Instructions for use: Support three system switching: For Android system: Fn+Q. For Mac system: Fn+E. For Windows: Fn+W Fn+BT key to activate Bluetooth-compatible (press Fn and BT key at the same time until the Bluetooth-compatible signal light blinks, transmitting Bluetooth-compatible signals, then turn on the Bluetooth-compatible function of other devices to search for the "M7" or Bluetooth-compatible keyboard, and then click on the link, and it will be paired and connected automatically. (Successful; next time when you turn on the device, it will be linked by default, no need to do anything else;). If you want to use other functions of multimedia, you can press Fn+other corresponding blue logo pictures to realize the corresponding functions; for example: Fn+spacebar is to switch language (the blue sphere that is printed on the long bar key is the spacebar); Package Included: 1*Wireless keyboard (others not included) Note: 1. Please allow 1-3 mm error due to manual measurement. Please make sure you don't mind before ordering. 2. Please allow 1-3g weight error. Please make sure you don't mind before ordering. 3. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!