Bluetooth: Bluetooth 5.0 or above American Broadcom solution Features: ABS chocolate scissor key core, made of PU+ true super leather, high-end and elegant. Features: multimedia function, 7-color backlight design, smart sleep. Applicable system: Apple IOS TYPE-C interface connects to the power supply for power supply Lithium battery capacity: 500 mAh Working environment temperature: -0- +55¡ã Charging time: 2-3 hours Use time: 95 hours Standby time: 120 days Button life: 5 million times