Silent and simple Bluetooth keyboard Bluetooth 3 channels, can be connected to 3 devices at the same time and switched for use 180-degree foldable collection smaller and more portable Added super anti-slip foot pads more secure to use Super durable 5 million key press life Waterproof and dustproof conductive film not afraid of short circuit dangers such as water splash Charging protection the battery will not be damaged during fast charging TYPE-C interface The TYPE-C charging port is convenient and fast High-grade material scissor-foot keys effortless typing and full of elasticity Compatible with three major systems iOSAndroidwindows Specifications Bluetooth version 3.05.0 Connection method Bluetooth connection Bluetooth 3 channels can connect to 3 devices at the same time and switch between them Charging port TYPE-C Bluetooth channel BT1BT2BT3 Folding size 155 x 84 x 16mm Open size 310 x 84 x 8mm Working distance 10M Sleep time 10Min Battery 90mAh rechargeable lithium battery Keyboard material ABS super migration leather Number of keys 66 keys Scope of application Microsoft, Android, for Apple Applicable products mobile phones, tablets, computers and other devices with Bluetooth connection