The Phoebe meant to relieve muscle tightness, improve blood flow, disperse lactic acid, and effectively treats sore muscles. It protects your muscles from sports injuries, and offers significant relief in muscle stiffness and pain caused by prolonged sedentary work. While it produces up to 3200 pulses per minute with its powerful motor, it remains quiet. With its ultra-quiet brushless motor, you can have the comfort of massage while travelling, or working in the office without disturbing those around you. There is also a built-in 5000mAh power bank so you can charge your mobile device with a USB cable. Small in size, mighty in function, 3 different percussion speeds provide a perfect massage experience with gradually increasing pulse frequency. Comfortable to hold, strong and ultra-light, the vibration generated by the device does not cause any discomfort to your wrist. Set Contains: 1 Massage gun, 4 gun-heads attachments,1 USB/Type-C charge cord, user manual, 1 stylish carrying bag Specifications: Material: ABS electroplating Product size: 5.71" x 3.41" x 1.86" Net weight: 366g/12.47oz Battery capacity: Li ion cell 5000mAh / 3.7v/18.5wh Type C Input: 5V / 2A (max) Usb-A output: 5V / 1A 4 heads: spherical/flat/ U-shaped/conical Massage head 3 speeds: 2400rpm, 2800rpm, 3200rpm Packing info: Master carton size: 60cm x 36.8cm x 28.8cm/23.6" x 14.5" x 11.3" 24pcs/ctn G.W.: 15.2kg