X4 Universal Round Keys Panel Spray Color Bluetooth Keyboard(Lake Blue)

1. Working voltage: 3.7V 2. Product weight: 200g 3. Product size: 24.7x14.9x1cm 4. Charging voltage: 5V 5. Current: 500mA 6. Number of keys: 78 keys 7. Operating distance: 10 meters wireless connection 8. Interface: Bluetooth 9. Mute effect: good 10. Button life: 5 million times 11. Lithium battery battery life: 3 years 12. Duration: 100 hours