Features 1、4 HEAD DESIGN: Our deep tissue massager utilizes a unique 4 axes linkage technology for deeper massage and a larger massage area. 60 times percussion per second with a depth of 10mm. It effectively relaxes the myofascia, leaving the muscles soft and stretched. 2、EASY TO USE: Handheld deep tissue massager adopts AI intelligent chip, support intelligent timing and remote control. 20kg/44.1lb percussion force, can be used to massage back, shoulders, thighs, maximum 3 gears, 3 massage modes. 3、LONG USE TIME: This electric massager is powered by 1800mAh high capacity battery. Under the test environment, after fully charged, it can work continuously 14 to 18 times for up to 120 minutes. It supports fast charging, the charging time is about 3 hours. 4、QUIET DESIGN: Our 4 head back massager features a premium motor designed for deep and powerful penetration while controlling noise levels. The working decibel is about 35dB to 55dB, so you can use it in public places without disturbing others. 5、MULTIPLE APPLICATIONS: Whether you are an office worker, an athlete or a bodybuilder, our muscle massager can be used to relieve back, shoulder, neck and body muscles. The perfect gift choice for anyone who needs muscle recovery. Specification Item Type: Deep Tissue Massager Material: EVA, ABS Battery Type: Lithium Battery (With Built in Battery for Shipping) Battery Capacity: 1800mAh Package List 1 x Deep Tissue Massager 1 x Data Cable