You already love your full sized PalmPower, now you can take it on the go with PalmPower Micro! This fully functional vibrating massager is so compact that it fits easily in your pocket, purse, or on your keychain.Key Features: Strong Vibration Long Run Time Replaceable Batteries (3 x in.L1131in.) Portable Dimensions: 2.5 in. x 0.75 in.