HYPEICE Hypervolt Bluetooth Handheld Percussion Massage Device Handheld percussion massage device which accelerates warmup and recovery before and after physical activity, and promotes circulation Brushless high-torque 60 W motor Patented Quiet Glide™ technology 3 speed settings (30Hz/ 40Hz/53Hz) Up to 3200 percussions per minute Travel friendly: TSA approved as carry-on Patented pressure sensor Bluetooth® connected to the Hyperice App Includes 5 interchangeable head attachments, 24 V rechargeable lithium-Ion battery (3+ hours of use per full charge) Dimensions: 7.0"L x 2.5"W x 9.7"H Product weight: 2.5 lbs. Polycarbonate, ABS plastic, nylon plastic, aluminum, stainless steel, copper (wires), lithium ion batteries Use a slightly damp towel to clean device and dry with a soft cloth.New without tags