KB-11 Wireless Folding Keyboard

Input: 5V/500mABattery Capacity: 3.7V/150mAhUse life: 56 hoursStandby time: 6 months when the product is switched off.Charging time: 1.5hConnection mode: single Bluetooth connectionBluetooth version: 5.0Number of keys: 66 keysData Interface: TYPE-CCompatibility: Compatible with IBMPC/MAC/iPad/iPhone etc. Can work on Windows/IOS/Android etc. WIN7 is not compatibleProduct accessories: bare machine, charging cable