Specification Color blue greenMaximum amplitude 10mmMaximum noise 88dB Switch mode button type blue machine with lock button to prevent misoperation Working voltage 10 8VInput voltage 110 240VBattery capacity 1300mAh lithium batteryMotor speed 0 2100 rpmCharging time 3 5 hoursLife time built in rechargeable lithium battery battery life about 30 minutesFeature Equipped with 1300 mAh battery it can support long term endurance The main engine is only 1 kg light weight can be used for a long time without too much fatigue Equipped with 6 types of soft massage head providing a comfortable massage experience while reducing the damage to the bones Scientific vibration frequency and amplitude can effectively relieve muscle spasm increase blood flow and significantly shorten muscle recovery time This product is suitable for activating muscles before bodybuilding speeding up warm up effect relaxing muscles after bodybuilding muscle massage relieving muscle stiffness rapidly decomposing lactic acid eliminating fatigue speeding up muscle recovery and rehabilitation training and muscle relaxation work standard in various major competitions Package Included 1x massage g un1x built in lithium battery6x Massage head1x Charging cable1x Charging base