specificationBluetooth 2.0 interface standardOperating distance to 10 metersModulation System:GFSKOperatin Voltage:3.0-5.0VWorking Current:smaller than 5.0mAStandby Current:2.5mACharging Current:larger than 100mAStandby Time:60 daysCharging Time:4-5 hoursLithium Battery Capacity:160mAUninterrupted Working Time:55 hours..

Features:
- Built-in wireless Bluetooth 2.0 keyboard
- Modern style designed for iPad
- Built-in Rechargeable lithium battery lasts for approximately 55 hours per charge
- Light weight,quiet keystrokes,water-proof and dust-proof
- Energy saving keyboard sleep mode
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