About this item Massage Gun, Equipped with a 2300mAh Lithium battery, which can provide more than 4 hours of operating time, and it only takes 1.5 to 2 hours to fully charge. High-quality lithium-ion battery to ensure the life of the massage gun battery. The massage gun has 20 adjustable levels for different muscle groups. The deep tissue massage gun has an amplitude of 12mm,It perfectly releases the lactic acid produced by the muscles after exercise and relieves soreness. Quiet Massage Gun, only about Less than35 dB, 1200 to 3,200 rpm ，Handheld Percussion Massage gun, can effectively helps promote blood circulation. The ergonomic handle is better to hold and prevents hands from slipping and falling. The carbon fiber shell makes the massage gun more beautiful and feels better