Description-Name: Electric Massage Gun-Type: Massage Gun-Rated Input: AC 100~240V 50/60Hz-Endurancing Time: 4 Hours-Number Of Massage Heads: 4-Battery Capacity: 1800 mAh-Speed Regulation: 6 Gear Control-Battery Rated Voltage: DC 7.4V Feature-6 Files Adjustment-Smart touch button.-High frequency vibration, dissipation of fatigue, deep massage, relaxation of muscles, alleviate pain.-Customized ergonomic massage head can provide comfortable massage experience while reducing the damage to bones and collaterals.-Four kinds of massage head, it can activate the muscles, stimulate blood flow, greatly reduce muscle recovery time, relieve pain and relax from head to toe.-This mini handheld electric massager has a built-in 2500mAh lithium battery, which can be used continuously for up to 4 hours after being fully charged. In addition, with a USB Type-c data cable, it can be easily charged anytime, anywhere.-Strong noise reduction motor, multi-ventilation slot cooling system, fast heat dissipation and high performance. Package Include1 x Muscle Massage Therapy Gun4 x Interchangeable head attachments1 x User Manual1 x USB charger