Size: 57 x 19 x 9 mm
Interface: USB 2.0 (full speed)
Wireless connectivity: Bluetooth 2.1 / 4.0
Range: up to 10m
Compatibility: any USB host, any OS (*)
Requirements: Android 2.3 or higher / iPhone 4S or later, Bluetooth
* OS must support device that is being emulated (for example: USB Keyboard).