Features: The U260 UHF all-purpose wireless microphone is suitable for all kinds of audio equipment as much as PA system (need to use an external 6.5mm plug) or mobile equipment. The mobile phone version UHF microphone can be directly used for mobile phones via. the standard of 3.5mm plug. Stable signals, sound clear and load, use a wide range, It is a cost-effective product. Both transmitter and receiver are built-in 3.7V 400mAh lithium battery, make the kit\'s working time for 4 hours. Suitable Application: Online teaching, tour guide, news recording, video recording, conference, live streaming, etc.