Bluetooth version 3.0. Battery capacity 250mAh. Usage time 60 hours. Standby time 45 days. Charging time 2 hours. Specifications:

                     

 Product type: Detachable Bluetooth Keyboard PU Leather Stand Case For Apple iPad mini                        1. Bluetooth: Bluetooth 3.0 interface Standard                        2. Frequency band: 2.4 - 2.48 GHz                        3. Operating distance: 0-10 meters                        4. Operating voltage: 3-5V                         5. Standby time: 60 hours                        6.  Power: Charge by USB                        7. Charging time: 4-5 hours                        8. Lithium Battery Capacity: 450 mAh                         9. Key life: 5 million strokes                         10. Item size: about Size : 204.5*139.5*8.0mm                                                11. Color: White, Black

For iPad Wireless bluetooth keyboard with Rotating Case