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, , 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 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.