Model Z-054W Quantity 1 Piece Color White Material Plastic Application For Tablets Compatible Model Universal Supported Systems Android devices Windows Mobile (6.0 & later) Nokia Symbian S60 V3.0 Iphone 4.0 OS Keys 49 Type External Wireless Keyboards Connectivity Bluetooth Connection Bluetooth V3.0 Operating Range 10 meters Battery Built-in 130mAh rechargeable lithium battery Charging Time 3~4 hours Working Time Standby time: 10 days; Working time: 80 hours Other Features With power switch; Interface: 1 x Micro USB; Working voltage: 3.7V working current: Packing List 1 x Mini keyboard 1 x USB charging cable (95cm) 1 x English user manual