Long Use Time - Sustainable use about 4 hours, while charging for about 3 hours. 2-in-1 charging cable to charge both transmitter and receiver at the same time. Coming with a square protector box for convenient carrying and storage. It's really a cost-effective choice for changing a new device for yourself or a surprise gift to friends. This microphone has a 2 years warranty. If your microphone has any defect or stops working within 2 years, we help you troubleshoot or send a whole new product. Plug and Play - ?Plug the receiver into the audio device, and turn on the wireless transmitter and receiver. It starts to work now! What if I can't Pair or not sound? 1. Turn off the receiver and transmitter; 2. Press the power button of the transmitter for 5 seconds until the blue light goes out, then press the button quickly and it's ready to pair. The blue light flashes at this time; 3. Turn on the receiver; 4. Press the transmitter button to complete the pair. The blue light keeps light. High-sensitivity Pickup - Adopt high-sensitivity high-frequency wide pickup head, perfectly capturing the soundtrack of the instrument. We also design the sound hole and angle to the best state to easily capture your sound. The recording microphone is super lightweight and solid, unburdened to take anywhere. The plug on the receiver is 1/8''(3.5mm), we also add a 1/4''(6.35mm) plug for more audio equipment. Rotatable Silicone Clip - 360-degree rotatable silicone shock-proof clip and strong steel collar clip make it easy to fix on instruments. It has small and exquisite appearance, firm and reliable quality. The surface is also treated to prevent corrosion. ?Applied for various occasions, musical instrument amplification, concerts, live broadcasts, outdoor performances, karaoke, saxophone, conference presentations, voice amplifier, etc. UHF Wireless Microphone - The wireless cordless clip microphone system adopt advanced UHF wireless transmission technology, has excellent performance on audio ?Stable Signal ?No transmission delay ?Anti-jamming ?Constant frequency ?No break ?Clear and smooth sound ?automatic connection.? Support transmit distance up to 131 ft, and multiple devices can be used at the same time without interference. Please note that the receiver needs to be connected to audio, amplifier device.