The Lithium 8 Cordless Massager is the first and only deep tissue, battery-powered percussive massager available. Ideal for individuals looking for an electric massager without the obstruction of a cord. This is a favorite of chiropractors, physiotherapists, massage therapists, clinicians and other professionals because the Lithium 8 is as powerful and effective as plug-in models, yet give the freedom and mobility of a battery powered device. The large massage area enables users to provide a full body deep tissue massage in 5 to 8 minutes. Relief is here to stay, with a battery that lasts 60 minutes. That's 60 minutes of patented thumping action as the device sends energy perpendicular into the tissue, penetrating through all fascial layers and relieving muscular tension and fatigue. Simply select the ideal frequency for the treatment with 5 electronically controlled speeds that range from 20 to 35 pulses per second. The unique, balanced design and the weight of 7.5 lbs. eliminate the need to apply pressure and reduces feedback to the hand for effortless handling. Package comes with massager, charging kit, and lithium battery. The anatomically designed massage spheres require no additional attachments which means you have 1 device for the entire treatment of all muscle groups. Ergonomic handles are placed at 90 degrees for ease of use and control. The battery has a quick release and charges on an included separate charging nest. Easy to clean, just wipe with damp cloth.