Need to use charger that included this system. in case mistake to use other device then may cause damage unit. When charge unit need to make Switch OFF and don't connect headset to forehead. Charger works with 100 V to 240 V AC 50 / 60 Hz.

This unit use special battery inside of case. Do not open case. Can not replace battery by end user. In case battery loss happened need to send unit to replace it. Need cost for replace battery and shipping free to do this. Battery is one year warranty after you purchased under standard condition use. Noon standard mean : use inside of crop circle, high zero point energy spot, effect by some kind of psychic power and hyper space operation, effect by UFO.

Any question : contact@psychiclab.net :  psychic Lab Inc.

http://www.psychiclab.net