Portable Foldable Folding Keyboard Mini Wireless Bluetooth Keyboard Touchpad Keyboard for Windows Android IOS Tablet Ipad Phone

Specification: Number of key caps: 81 keys Key working current: < 4mA Standby current: < 0.65mA Touchpad working current: 15mA Sleep current: 27μA Net weight of keyboard: About 275g Lithium battery capacity: 140mAh Working distance: 10m Awaken way: Press key Working voltage: 3.7 V Charger specifications: 5V 1A or 2A Sleep time: Ten minutes Standby Time: 90 Days Uninterrupted Working Time: 35H System support:Win/Android/IOS/OS/HMS Open Size: About 304.1*216*6.1mm Folded Size: About 152.4*100*19.8mm Touch panel size: About 132 * 61mm Multi-channel Connection: When connecting the first device, first press Fn+1 and then press Fn+C to start the connection. Before connecting the second device, press Fn+2 once, then press Fn+C to start the connection. Before connecting the third device, press Fn+3 once, then press Fn+C to start the connection. To use multiple devices at the same time, press Fn +1/ 2/ 3 to switch to the connected devices freely .