Wireless Bluetooth Folding Silicone Waterproof Keyboard

Applicable models: universal  Type: Silicone Bluetooth Keyboard Number of keys: 108 (key)  Interface: USB Material: Silicone parameter: *Bluetooth: 3.0  * Operating distance: 10 meters  *Working voltage: 1.9~3.3win7V *Working current: 4  * Standby current: 0.5 ma  * Sleep current: 100 ma *Charging current: 100 ma  * Standby time: 30 days  * Charging time: 2 - 3 hours *Battery: Built-in 300 mah lithium battery  * Waterproof: IP67 (excluding charger port) System Requirements: Computer: Mac, Windows 98, 2000, vista, win7, Mobile: Windows, Android, IOS  Waterproof: IP67 (excluding charger port) Interface: USB charging port  Main product size: 360 x 105x8 mm (L x W x D)