Wireless Bluetooth Universal Pocket Folding Keyboard

Part Feature: 1. Works well with all Bluetooth enabled devices with IOS , Android or Windows system. 2. Convenient and lightweight pocket sized, folding bluetooth keyboard, perfect for travel. 3. The whisper-quiet keys allow you to work anywhere. 4. Built-in 210mAh rechargeable Lithium battery provides more than 168 hours of effective usage time, on a single charge 5. Made with aircraft-grade aluminum for superior durability. Part Specification: 1. Material: silicone, Aluminum, ABS plastic 2. Keyboard Button: 64 keys 3. Power supply: USB interface 4. Bluetooth Chip and Version: US Broadcom chip, V3.0 5. Operating range: Up to 10 meters 6. Closed size(LWH): 149*90*15mm ; Open Size(LWH): 252*90*6mm 7. Lithium battery capacity:210mA 8. Uninterrupted Working Time：84hours 9. Lithium battery life：3 years 10. Lithium Battery Specification：3.0*25*35mm 11. Key Strength：60±10g 12. Key life：3 million strokes 13. Operating Temperature：-10 - +55 ℃