Mini Wireless Bluetooth Folding Keyboard (Black)

1. Material: ABS plastic 2. Number of keys: 67 keys 3. Interface standard: Bluetooth 3.0 4. Polymer battery specification: 302323MAH 5. Working voltage: 3.0~4.2V 6. Button life times: 3 million clicks 7. Effective use distance: 10 meters 8. System support: iOS, Android, Windows system