l Power nearly as clean as a standard battery; perfect representation of your original sound.
l Regulated output power design; voltage remains stable during use.
l Rechargeable battery (6600mAh)，can be re-charged over 1000 times;2000mA output capacity facilitates the application of multiple devices.
l LED indicators show in three levels how much power is left.
l Power on/off switch--no need to unplug cables.
l Operation is easy and safe, thanks to functions like short circuit protection and overheat protection.