Specification Color Black Silver Red Blue Option Plug US Plug 110V Interface DCMaterial Environmental ABS PP Plastic Number Of Massage Heads 4 Battery Capacity 1500m Ah Speed 1800 3500r min Size Approx 21 5x 17cm 8 46x 6 69 Features ✔ The most powerful massager Strong motivation 6 speed shifting design meets a variety of massage needs with 4 different massage heads ✔ New Generation Noise Reduction Technology✔ The ergonomic grip can minimize the external force ✔ Vibration principle hammering style strong power to massage muscles ✔ Independent power management system charging & discharging more intelligent prolong battery life ✔ High frequency vibration dissipation of fatigue deep massage relaxation of muscles alleviate pain ✔ Customized ergonomic massage head can provide comfortable massage experience while reducing the damage to bones & collaterals ✔ 4 kinds of massage head according to the location of massage to choose massage head bring a more comprehensive massage experience ✔ The device allows the user to directly target areas of soreness & reduce pain whilst also reducing recoverys time making it an essential product for any athlete ✔ Adjust the frequencies according to the purpose for warming up soreness relief injured muscles muscle pain & activation tightness relief increase to higher speeds for larger & stronger muscle groups Package included 1 Massager 4 Massage Heads