Features: The wireless microphone system adopts advanced UHF transmission technology, including transmitter and receiver, designed for instruments voice amplifying such as guitar, bass, violin, cello, lute, etc. Excellent Performance on Audio: the Wirelss Mic System supports automatic matching connection, featuring stable signal and constant frequency, anti-interference, providing clear and smooth sound. Rotatable silicone clip of the microphone makes it easy to fix on the surface of musical instruments. High-sensitivity condenser microphones will capture the sound of instruments easily and perfectly. Easy-to-Use Accessories: comes with one 6.35mm convert plug and one 3.5mm Y-shaped convert plug, compatible with most devices interfaces; and a USB multi-end Charge Wire, convenient for charging at the same time. Long Using Time: both transmitter and receiver have built-in rechargeable battery of 400mAh capacity (3.7V), enduring continuous usingabout 5 hours.