Lightweight Portable Wireless Headset Microphone UHF Mic with Receiver Box Music Element System

Features:
The wireless headset microphone adopts UHF band to avoid signal interference at all times. Its signal transmission distance is up to 25 meters (without obstacle); 15 meters (through walls).
The included receiver box adopts 3.5mm audio plug, which allows it to be directly plugged into any audio without connecting an output cable. Also provide a 6.5mm audio adapter. (can be directly plugged into the bus/car audio and outdoor draw-bar speakers, etc.)
Built-in 400mAh polymer lithium batteries in the headset microphone and the receiver box. Battery runtime can be up to 5 hours. With DC-5V USB charging port.
The headset microphone and the receiver box adopt the miniature design, which are compact and portable.
Can be used for teaching training, tour guide, music playing, KTV singing, family entertainment, conference hosting, etc.