At the touch of a button, the accuracy of the speed, time and switch controls are displayed. 24V brushless DC motor and dual bearing transmission bring high power and low noise experience. 6 displacement variable speed gears. The 30-speed displacement program can meet various massage needs. 6 hours battery life + 2 hours battery charge time 24 V power 2400 mAh lithium-ion battery, continuous use for 5 hours in mid-range. Six personalized soft massage heads to provide a relaxing massage experience and reduce bone damage.   Technical Specifications: Nominal input: 110-240V ~ 50 / 60Hz Nominal output: 12 V / 1A Type: High-energy lithium battery Capacity: 2400 mAh Working time: 6.5 hours Airspeed: 0-3200 / min maximum