Compatible with:Lenovo Tab M10 TB-X605F/X505FProduct Features:1. WIDE COMPAYABILITY:For use with all four major operating systems that support Bluetooth (iOS, Android, Mac OS and Windows), compatible with iPads, iPhones and Bluetooth-enabled tablets, laptops and cell phones, etc.2.ULTRA-SLIM, LIGHT AND PORTABLE:This lightweight Bluetooth keyboard is designed for anyone who needs a portable keyboard for work or play and especially suitable for business trips.3. RECHARGEABLE AND AUTOMATIC SLEEP MODE:The universal wireless bluetooth keyboard uses built-in lithium battery, can be easily recharged via USB cable, no need to change the battery. The built-in rechargeable battery is incredibly long lasting, standby time is approximately 6 months between charges. The Bluetooth wireless keyboard can automatically enter sleep mode to save power.4.STABLE CONNECTION:Advanced Bluetooth technology provides a cable-free connection with an operating range of 10 meters. But for desktop computer without Bluetooth function, you need to insert a third-party Bluetooth adapter (not included) to install the Bluetooth driver before use.5. COMFORTABLE and QUIET TYPING:Low-profile, quiet keys bring a whole new level of comfort to your fingertips. Plus, keep all your most-used functions and media controls closer than ever to dedicated Windows shortcut keys.Layout: AZERTYSize: 250*150mm*3mmCharging voltage: 5VBluetooth Version: Bluetooth 3.0Transmission distance: up to 10mBattery capacity: 650mAHWorking time: 220 hoursStandby time: 800 hours