Product Feature 1. The ideal partner for your iPhone 4 and 4S 2. Bluetooth sliding keyboard with back light 3. Changeable body track gives you flexibility to watch movies or type while you are laying down 4. Elegant easy to manage case with soft-touch surface protects your iPhone additionally 5. Quick and easy installation via Bluetooth 6. Integrated li-ion rechargeable battery for up to 25 days on standby or 8 hours continuous typing 7. Easy to use 8. High-performance lithium-ion battery Product Specifications Operation current: 3 mAh Standby current: 0.2 mAh Operation voltage: 3.7V Charging Voltage: 110-240V Battery type: 230 mAh lithium battery Charging period: 4 more »