<p>Electric Back Massagers,Muscle Massager Gun,Deep Tissue Percussion Massager,Cordless Handheld Electric Body Massager for Neck and Back Foot Leg Muscle <br> <br> Product Features: <br> <br> 6 Interchangeable heads to targets different muscle groups. <br> <br> 20 MASSAGE INTENSITIES to meet different massage requests. <br> <br> Level 1-4：Mild massage <br> <br> Level 5-8：Muscle relaxation <br> <br> Level 9-12：Muscle arousal <br> <br> Level 13-16：Decomposition of lactic acid <br> <br> Level 17-20：Professional mode <br> <br> HD LCD SCREEN: Displays available power and speed level. <br> <br> 2500 mAh lithium-ion batteries: Charging for 2 hours and continuous operation for 6 to 8 hours. <br> <br> A portable case makes it convenient to carry the massager to the gym, office, outdoor and home. <br> <br> </p>