Feature 1[Professional] Handheld massager designed for deep muscle treatment, recovery and pain reduction. It can help you increase blood flow, quickly reduce muscle pain, relieve nodules, and relax your whole body. 2[4 Massage Heads And 4 Speeds] The muscle massager features 4 speed levels, allowing you to adjust the speed as needed to provide the right amount of pressure. 4 massage heads help you relax all parts of your body. 3[Low Noise And Long Battery Life] Handheld muscle massager uses the latest noise cancelling technology to provide a quiet massage. 2000mAh rechargeable battery provides up to 3200 knocks per minute. It can work for up to 7 hours on a full charge. 4[Compact And Portable] Compact deep tissue massager that you can use at home, office, gym or even when you travel. Suitable for sports, training, for professional athletes and recreational sports. 5[Multi Application] Deep tissue massager is perfect for daily massage maintenance and relaxation of stiff muscles. Also suitable for office sedentary caused by back and neck pain, can relax the body and mind, drive away fatigue.SpecificationItem Type: Muscle MassagerMaterial: ABSRated Power: 25WEndurance Time: About 7 HoursCharging Time: About 4 HoursGears: 4 Gears Speed ControlRotational Speed Range: 1600-3000rpmBuilt in Battery: Lithium Battery 2000mah Package List1 x MuscleMassager3 x Massage Head1 x Charging Cable1 x Instruction Manual