Applicable System: Android/IOS/ Charging Interface: Type-C Battery Capacity: 500mah Battery Life: 20 Days Of Use / 60 Days Of Standby Bluetooth Version: 5.2 Connection Distance: 10m Colour:Black Material:Acrylic Size: 24.1 x 16.6 x 0.06cm Package Contents: 1 x Keyboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 5. Built-In Battery, 20 Days Worry-Free Battery Life, Built-In Large-Capacity Battery, Type-C Charging Interface Charging For 2 Hours, Battery Life For 20 Days 4. Mute Buttons, Scissor Foot Structure, Comfortable Feeling, Bring Smooth Input Experience 2. Three Modes And Three Devices, One Key To Cut In Seconds, Change Can Connect Three Devices At The Same Time, One Key Switch 3. Multi-System Compatible, Android/Ios/Win, 5.2 Bluetooth Connection, Can Switch The Connection System At Any Time 1. , Different Texture, Acrylic Material, Long-Lasting Bright Personality Office Desktop