This cordless vibrating massage tool targets deep tissue to help relieve muscle soreness and stiffness while improving circulation and range of motion. Bluetooth connectivity lets you pair the device with the HyperSmart™ app to automatically adjust the speed through a guided warmup or recovery routine. The lightweight massager boasts Quiet Glide™ technology, developed in collaboration with aerospace engineers to provide powerful, whisper-level percussion. Five interchangeable head attachments allow you to effectively work different muscles, while three speed settings on the 90-watt high-torque motor provide customized vibration frequency, up to 3200 percussions per minute. 7"L x 2 1/2"W x 9 3/4"H 3 lb. Includes five head attachments 90W brushless, high-torque motor with three speed settings Bluetooth connectivity compatible with most phones and devices 2.5-hour battery life; 24V rechargeable lithium-ion battery and AC charger included TSA-approved Imported