It has 6 different shaking frequency which is adjustable by simply put your finger on the screen On/Off icon. Touch the icon 1 time to switch, 2 seconds to turn on or turn off. The screen will show the current shaking mode. It has 4 different massage touch feeling cap which is easily replaceable. Built-in 1800mah power bank which is rechargeable after use. High grade color packing box for all in 1 set. USB wire charging plug is suitable for most situations. It is a great tool for muscle pain release after sports training. Great for all kinds of people. 5 1/2" L x 6 7/8" W x 1 3/4" THICK

Normal Production Time
10

Country of Manufacture
Other/None