Brand HT-P2093 Quantity 1 Piece Color Silver + White Material Aluminum + Plastic Application For Tablets Compatible Model Samsung Galaxy Tab P7500 / P5100 Keys 78 Type External Wireless Keyboards Connectivity Bluetooth Connection Bluetooth V3.0 Operating Range Battery Built-in rechargeable 300mAh lithium battery Charging Time 4~5 hours Working Time 50 hours Other Features 1) Executive standard: Bluetooth 3.0 interface standard 2) Working distance: within 10M 3) Lithium battery capacity: 300mA 4) Modulation system: GFSK 5) Operating voltage: 3.0-5.0V 6) Standby time: 90 days 7) Charging time: 4-5 hours 8) Operating temperature: -10