The masseur uses a massage technique by low frequency pulse, stimulating repeatedly nerve to promote local blood circulation and metabolism and relieve muscle pain. Various massage techniques are used, with over 16 adjustable intensity to meet your different needs.<br /><br />Specifications:<br />Condition: 100% brand new<br />Item Type: neck massager<br />Pulsefréquence: 0-1000 Hz<br />Power consumption: 5V<br />pulse width: 20-400us<br />pulse waveform: square wave<br /><br />Package List:<br />1 * main machine<br />1 * USB cable<br />Patch Line 1 *<br />1 * remote control<br />1 * Manual