Product Description F68 Ultra-slim Mini Wireless Bluetooth Foldable Keyboard Made of good grade aluminum alloy, super durable Compatible with iOS, Windows and Android 3 major operating system Built-in rechargeable Li-polymer battery provides 70 hours of effective usage time; standby time up to 100 days Light weight and foldable design makes it convenient for you to carry with Specifications: Weight: 200g RF mode: Bluetooth 3.0 Operation distance: 10m Battery capacity: 200mAh Standby time: 100days Working time: 70hours Charging time: 4-5hours Compatible with: iPad series iPhone series Samsung Huawei smartphones & tablets, other Bluetooth enabled tablets and computers Package included: 1 x F68 Ultra-slim Mini Wireless Bluetooth Foldable Keyboard