Main specifications special functions: Material ABS PC skin friendly velvet colors white, black, pink Power output DC 5V, 1A Atmospheric pressure 860HPa 1060HPa Magnetic field strength 200 mt Vibration frequency 40Hz 100Hz Power 5 W Voltage 3.7V Thermal compression temperature 3842 degrees Relative humidity 80 ambient temperature 0 45 degrees recommended Battery capacity 850mA Charging time 3 hours Use time 15 minutes automatically sleep after 15 minutes Continuous use time 60 minutes Product size 32 8 3cm color box size 19.1 14.6 8.6cm Carton size 47 40 31.5cm 20 sets net weight Gross weight 285g 530g Gross weight of the whole box 11.5kg Packing list 1 massager, 1 data cable, 1 instruction Product Features Thermal compression two gears Airbag simulated acupoint massage two gears Vibration two gears Use Bluetooth to listen to music One-key start, click to switch mode or click mode and use