Wellcare Impact Therapy Massage GunFeaturing a built in rechargeable battery providing 6 hours of operation time after a full charge along with the included carry case, whether you need to use it at home or the gym, take your massage gun wherever you go. Key Features Ergonomic handle design along with simple one button operation for optimum practicality and convenience 4 Interchangeable head attachments, each ergonomically designed to target a specific muscle group 3 Adjustable angle