* 10watt output power
* supplied with high capacity rechargeable lithium batteries for long play time.
* low distorsion and effective feedback rejection
* automatic power-off at low voltage
* delivery includes high quality condenser headworn microphone
* built in smart charger to avoid charging any battery. Except lithium battery. It will pre-charge, auto charge and auto stop when the battery is full
* built in thermo senser for charging protection
* more than 8hours working time