This is our only "full" aerospace aluminum casing massager with 4 speeds; less vibration in the grip, very quiet (low dB) and only 1lb, 2oz.  For those that want a more robust solid mini massager to handle heavy travel use. Built in grip for non slip. Portable. Powerful - 2600 mAh Lithium Ion Battery. 1800 - 3200 RPM. 4 accessory heads (expandable to 11 with the Air Plug head and newest deep and shaping mini Three Amigo packages). USB fast 4-5 hr full charge. Our mini is perfect for the on the go person. Tuck in your pocket, pack or purse. With our mini zipper carry case it goes where you go. VIBRAFORCE mini is height of your average size smartphone. *Now available two and three year extended warranties.  To Learn More:https://youtu.be/RuV5TSVBGRo