SUPERIOR SOUND & PERFORMANCE - Dual wireless lapel lav microphone delivers crystal clear sound & metal belt pack transmitter with mini receiver offer noise cancelling transmission range up to 100ft without feedback or distortion. UHF digital wireless technology provides a stronger signal reducing the possibility of interference from Bluetooth or WiFi. BEST CHOICE FOR VIDEO RECORDING - Plug the head worn or clipon microphone to the body pack transmitter & plug mini receiver with hot shoe mount to your DSLR camera or phone (with include adaptor/cable), you are ready to take your exciting video WIRELESS HEADSET & LAVALIER - Condenser headset microphone offers secure wear for vocal performance, clip on microphone offers invisibility on shirt collar, both make hands fre to use in interview, classroom, gym, stage, church, meeting Multi -Applications - Wireless receiver with universal 1/4 plug works with mixer, PA speaker w/ 1/4 MIC IN Jack, and smartphone, DSL camera ideal for presentation, preaching, training, fitness /exercise instructor, wedding SELECTABLE CHANNEL & VOLUME CONTROL- Dual channel wireless microphone delivers multi frequencies & volume control, just press buttons on transmitter to select desired frequency & volume level to reach its best performance without interference