Features Adopting UHF wireless technology, UHF wireless frequency speech emission. The total harmonic distortion is small and can restore the detail signal to a greater extent. Realize wireless transmission, automatic frequency, strong anti-interference ability. Long transmission distance, two-way working. More stereo effects, more natural and clear audio, suitable for teaching, tour guides, sales, presentations, conferences, conferences, karaoke, etc. Wireless transmission 48KB/second amplifier, second automatic alignment. 50 m (Maximum) powerful wireless demonstration signal through the wall. 3.5mm to 6.5mm converter is a free accessory for wireless demonstration of studio audio equipment and professional stage. Green LED lights display on time, high security, one-to-one directional pairing, frequency will not interfere with each other. More compatible, excellent stable signal, strong anti-lock capability, better clear natural sound project. Specification: Condition: Item Type: Wireless Mic Material: ABS Color: as picture shown Audio signal: 48 digit digital sampling Pairing method: automatic configuration Speech frequency address: 20-20 KHZ Transmission mode: 2-way UHF FM Power Type: lithium battery 500mAh Power consumption current: 0dbm <70ma Usage distance: 30m-50m (open) Working time: 6-10 hours Package List: 1 x Emitter 1 x Receiver 1 x USB Cable 1 x Head-Wear Bracket 1 x 3.5mm/6.5mm Adapter 2 x Sponge Cover 1 x User Manual