Timing: 10 min smart timing times Maximum frequency: ≦60HZ Amplitude: 10mm Charging Time: 2.5-3h Battery Life: ≥3h Differet Massage Head: Various Ti alloy massage head available Electric Motor: Professional custom super torque motor Weight: about 1.6kg Internal power supply: 22.2V /2500mAh, real-time power Main Material: Zinc alloy, ABS, silica gel Noise Level: ≤55dB Speed: (the number of strokes per minute) 5 adjustable speed + LED indicator light 1st, 2100 turn 2nd, 2400 turn 3rd, 2700 turn 4th, 3000 turn 5th, 3300 turn DMS PRO6 is a cordless new generation device on the athletic fitness wellness products. The DrFuji Deep Muscle Stimulator (DRFUJI DMS) uses percussion, mechanical vibrations that reach deep into the muscle tissues to stimulate proprioceptive functions.