YS-001 7-8 inch Tablet Phones Universal Mini Wireless Bluetooth Keyboard, Style:Only Keyboard 1. Lightweight and compact design, easy to carry 2. Support charging, long-lasting battery life, adopt high-quality built-in lithium battery design 3. Fast Bluetooth connection, keyboard Bluetooth connection to digital products such as tablets, mobile phones, laptops, etc. 4. Cool brushed texture, anti-dirty and anti-fingerprint, surface rubber oil spraying 5. Wireless charging Bluetooth keyboard, support all systems, suitable for mobile phonesiPadcomputers Product parameters: 1. Interface: Bluetooth 3.0 2. Working voltage: 3.0-4.2V 3. Charging current: more than 200mA 4. Working current: less than 3.5mA 5. Standby current: less than 0.3mA 6. Sleep circuit: less than 40mA 7. Lithium battery specification: 3.0x23x23mm 8. Modulation method: GFSK 9. Effective range of operation: 0-10 meters 10. Charging time: less than 2 hours 11. Lithium battery capacity: 110 mA 12. Working temperature: -10-55 degrees Celsius 13. Sustainable working hours: more than 40 hours 14. Size: 78 inch: 13x20x0.6cm, 9.710.1 inch: 15x24.6x0.6cm 15. Button force: 60 equals 10 grams 16. Button life: 3 million clicks Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.