1. Bluetooth 3.0 standard interface 2. Effective operating distance: 10 meters 3. Modulation mode: GFSK4. Working voltage: 3.0-4.2V5. Working current: less than 2.5mA6. Standby current: less than 0.3mA7. Product size: 25.8x 21x 2.5cm 8. Charging current: more than 200mA9. Standby time: more than 100 days 10. Charging time: 3-4 hours 11. Lithium battery capacity: 200mah / 400m. Ah (backlit)12. Sustainable working time: 100 hours / 3-5 hours (when the light is turned on)13. Lithium battery life: 3 years 14. Button force: 80g 15. Key life: 5 million clicks 16. Working temperature: -10 to 55 degrees Celsius 17. Product material: leather case with built-in pen slot, ABS plastic keyboard, keyboard with seven-color light (only backlight models)
