<b>Awaken your body,Enjoy the healthier lifestyle!</b><br> <b>Aigrous percussion massager is a handheld device that applies pulses of concentrated pressure deep into your muscle tissue for muscle deep relaxation.This form of deep-tissue massage can work knots and tension out of the muscles while improving blood flow and quickly enhancing range of motion. When used properly, a percussion massager can shorten your recovery time while relieving some of the pain, tension and soreness that comes naturally from intense martial arts workouts.</b><br><br> <b>Specification:</b><br> Charge:100-240V 50/60Hz<br> Battery:2600mAh,25V 1A<br> Time of Use:3+Hours use per charge.