Why Use Genofo Massage Gun? 3 speed modes, flexible to be applied. 6 head attachments for each muscle group. Help you relax and stimulate deep tissue massages, relieve body fatigue, combat stiffness and spasms. ultra-low moise - Enjoy your relaxation time Specifications: Charging voltage: 110-240V Rated power: 12-30W Rated frequency: 20-58Hz Charging time: 3 Hours Weight: 2 lbs 3 Speeds: 1800 to 3400 percussions per minute Package Included: 1x Portable case 1x massage gun 6x massage head 1x power charger 1x user manual