Different Massage Heads?:With 6 different massage heads, apply to different parts of body, supply deep muscle relax after exercise. Long Range?:lithium battery, make it convenient to charge anywaher, quick release of battery hot make it safe enough when using, 1500mah long range lithium battery, supply 3h continue working. Low Noise?:Brushless motor with latest noise reducing technology, plus motor damping net and dumboard, and noise reduce shell, make final working noize within 55dB, just like a whisper, make your body pain disappear in silent vibrating. Hop Quality?:Using 16.8V high torque burshless motor, good quality motor improve machine's service life, plus double bearing construction, powerful enough to supply a deep tissue & muscle tension relief for your body. High Frequency Vibration?:This massage gun with 1600-2600rpm vibration frequency, 20 levels available, meet different massage requirment from different kind of person. Suitable for fitness persons, long sitting officers and elders with neck and back problem.