Wide uses & effects: 1. Office sedentary: Effectively relieve back pain caused by sitting stiffness, inject new vitality into work. 2. Exercise and fitness: Warm up before exercise to prevent muscle tension and relieve pain. 3. Parents and the elderly: Help parents clear the meridians, press on the waist, and accelerate blood circulation. 4. Professional body muscle massager, athlete deep tissue massager, relieve pain muscles, neck and back massager, 6 massage heads, handheld, portable Specifications: Material: +pp+ ABS Voltage: AC110-220V, 50/60Hz Power: power 20-30w Speed: 1200-3500 rpm Amplitude: 10-12 mm Charger: 12V /16.8V/ 1A Working time: 4-6 hours Motor diameter: 48mm Massage head: PP Net weight/Gross weight N.W./G.W 0.9/1.2kgs Features: [Multi-function]-The massager can relieve muscle stiffness, shape the body, relieve soft tissue pain, and improve blood circulation. Our percussion massager is suitable for sedentary office workers, fitness enthusiasts, sports talents, parents and the elderly, etc. Help you activate your muscles and make you more agile. [Various massage styles] Our deep tissue massage gun is equipped with 6 different detachable heads, these heads are exclusive to our percussion massage gun, each has a different purpose and massage style, and Rechargeable, there is no power cord when in use, so that it can be used and moved freely. [Deep tissue massager] Deep tissue massager can soften rigid muscles, soothe surrounding tissues, and provide a relaxing effect for the treatment area. By enhancing blood flow, it can improve your range of motion, reduce tension, and make you feel better and relaxed in your daily life. [Lightweight and Portable]: The entire machine weighs only 3.0 pounds (about 0.9 kg) and is equipped with a high-performance lightweight motor. It fits easily in your daily backpack and pocket. This is a nursing specialist in a gym and a home massage partner. Advantages: 1. Each head in the professional handheld vibration massager equipment relieves the stiffness of the back. 2. Various speed adjustments to meet your various muscle stretching needs. 3. Ergonomic design, cordless handheld deep tissue muscle massage gun can reach hard-to-reach places at any time. 4. Upgrade the high-definition LCD screen, touch the button to accurately display the gear position, power supply and switch, which is convenient for adjustment. Packing list: 1 massage gun 1 power adapter 6 detachable heads 1 This product manual 1 x storage box