Detachable strong magnetic keyboard. 7 backlight colors. Supports iOS shortcut gestures. The ability to write for 90 days. 20,000 keystrokes. 360 degree adjustable support angle. Smart sleep function. Rotation function. The battery capacity is 500mAh. Working voltage: 3.0-4.2V. Operating distance: ≥10m. Charging time: 2-3 hours. Charging interface: Type C. Standby time: ≥150 days. Standard: Q/JMS 001-2018. Working time: backlight on > 5 hours, backlight off > 55 hours.