Ultra-thin bluetooth-compatible keyboard: with it, you can type comfortably on your laptop, tablet or smartphone. Cross-platform compatibility: it is also suitable for iOS, for Android, for Mac and for Windows, and its shortcut keys are optimized for all four systems. The small size can save more space for tables and school bags. Comfort is key: type quickly and quietly and enjoy this comfortable keyboard. Item Name: bluetooth-compatible Keyboard Material: ABS Working Current: 3mA Number of Keys: 59 Working Voltage: 3.7V Battery Capacity: 110mAh(Included) Use Time: 44 Hours Transmission Range: 10 Meters Features: bluetooth-compatible Connection, Rechargeable, Ultra-Thin Size: 25cm x 15cm x 0.7cm/9.84" x 5.91" x 0.28" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: (Phone/Tablet Not Included) 1 x bluetooth-compatible Keyboard 1 x Charging Cable