<b>Function:</b><br> <b>Material:</b> environmental protection type ABS silica gel<br> <b>Product specification: </b>12.5inch *2.3inch<br> <b>AC Power supply voltage: </b>110-250volts<br> <b>Power frequency:</b> 50-60HZ<br> <b>Vibration frequency:</b> 9000/min 8000/min-<br> <b>Use time:</b> 1.5h-2h<br> <b>10 Powerful Speeds What is in the box</b><br><br> 1- Electric Massager <br> 1- Travel Bag<br> Product features: full body massage, promote blood circulation, relieve muscle pressure, eliminate fatigue