Bluetooth  wireless Mini Portable Folding keyboard thin aluminum 

Ultra thin Bluetooth foldable portable mini keyboard wireless keyboard with aluminum foldable design
Feature:
1. Support: Windows, Android, iOS
2. 120mA Li battery, 40 hours of working time
3. Size: 146 * 85 * 14mm / 294 * 85 * 7mm
4. 66 Press button,