charming 10 speeds wired powerful handheld massager with strong vibrations, personal therapy massager for sports recovery, muscle aches, body pain (black) charming <b>function:</b><br> <br>material: environmental protection type abs + silica gel<br> <br>product specification: 12.5inch *2.3inch<br> <br>use time: 1.5h-2h<br> <br>product features: full body massage, promote blood circulation, relieve muscle pressure, eliminate fatigue