The compact aluminum alloy housing that isolates RF spurious and noise interference, is equipped with a built-in high efficiency transmitting antenna and a green backlit LCD, which displays operation parameters. Features a flat and wide frequency response, ultra-low THD and noise floor, fast transient response, and high S/N ratio. It solves the problems of tangling microphone cables and defects of analog transmission. Thus, it is an ideal gear to reproduce the natural sound of any premium wired microphone. A balanced XLR input jack for any condenser microphone to plug on. Supplies selectable 12 / 48 V phantom power at 10 mA for condenser microphones. A high-capacity lithium battery that enables up to 8 hours of use per charge. After use, directly plug it into a charger to recharge or simply remove the battery.