Features:1. Magnetic design, stable adsorption, not easy to drop, easy to take2. One-piece tablet protective case, light and thin, convenient and quick to use.3. Stand design, free your hands while working or watching movies.4. The keyboard has a seven-color gradient key light, which can also be used in a dark environment, soft and not dazzling.5. Using PU leather + plush lining, the touch is delicate and smooth, and the aluminum alloy shaft is used, which is beautiful and fashionable.Parameters:1. Bluetooth version: BLE5.22. Operating distance: 10m3. Charging time: about 3 hours4. Modulation system: GFSK5. Working temperature: -20 – +50 degrees Celsius6. Working voltage: 3.3-4.2V7. Charging interface: Type-C8. Charging temperature: 0-45 degrees Celsius9. Charging current: less than 250mA10. Lithium battery capacity: 1200mAh11. Standby time: about 100 days when fully charged12. Continuous working hours:Less than 8H (turn on the backlight)Less than 120H (turn