THREE ADJUSTMENT MODES: 0V, 5V, 48V voltage adjustment, compatible with dynamic microphone and condenser microphone, realize wireless singing: dynamic microphone is 0V, condenser microphone or recording microphone is 5V, phantom condenser microphone is 48V. UHF WIRELESS AUDIO TRANSMITTER AND RECEIVE: UHF automatic frequency 16 frequency points, support multiple groups to use at the same time without interfering with each other. WIRELESS ADUIO SYSTEM: It is also suitable for electronic music instruments, such as, guitar, electronic drum, bass, violin and so on. Equipped with XLR female to 6.5mm male microphone adapter, compatible with mixers, recorders, speakers, sound reinforcement systems, power amplifiers, etc. ULTRA-LONG WORKING DISTANCE: Wireless transmission 50-80M pickup distance, anti-interference and anti-howling, clear sound effect. It can support one transmitter working 6 hours which ensures great performance for every use. CLEAR LED DISPLAY AND PORTABLE: The wireless audio transmitter and receiver system come with intelligent screen display. Real-time reflection screens,working status like battery level,frequency. The lightweight and compact design makes it easier to carry and use. Note: Please confirm your microphone type before use, and then select the corresponding mode to use. Color: Black Material: Metal Package Contents: 1 x transmitter 1 x receiver 1 x XLR to 6.5mm adapter 1 x 6.5mm to XLR adapter 2 x USB cables 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.