A. Model: B023 B. Compatible devices: Mobile phones, tablets, laptops, computers and Bluetooth devices C. Product weight: 197 g D. Interface: Bluetooth E. Product dimensions: 282.1 mm * 94.50 mm * 8.80 mm F. Package contents: Color case + user manual + charging cable + packaging G. Category: Wireless keyboard, foldable Bluetooth keyboard, mini portable keyboard unit for laptops, mobile phones, office H. Features: 1. Compact and easy to carry 2. Compatible with three systems: iOS, Android and Windows 3. Foldable design 4. Long battery life: 2 - 3 hours of charging provides up to 10 days of use, suitable for short business trips I. Operating range: 10 meters J. Continuous working time: 48 hours K. Charging time: 2 hours L. Standby time: 180 days M. Battery capacity: 210 mAh N. Key life: >3 million clicks O. Operating voltage: 3.0 - 4.2 V