SUPERIOR SOUND AND PERFORMANCE - Dual wireless lavalier microphones provide crystal-clear sound, and metal bodypack transmitters with mini receivers provide up to 100 feet of noise-cancelling transmission range with no feedback or distortion. UHF digital wireless technology provides a stronger signal, reducing the possibility of Bluetooth or WiFi interference.     BEST FOR VIDEO RECORDING - Plug the clip-on mic into the lavalier transmitter, plug the mini receiver with hot shoe mount into the camera or phone (adapter/cable included) and you're ready to shoot exciting videos     Wireless Headphones and Lavalier - Condenser headphone mics provide a secure fit for vocal performances, clip-on mics provide stealth on shirt collars, both work hands-free in interviews, classrooms, gyms, stages, churches, meetings     MULTI-PURPOSE - Wireless Receiver and Mixer with Universal 6.5mm Plug, PA Speakers and Smartphones with 6.5mm MIC IN Jack, DSLR Perfect for Presentations, Evangelism, Training, Fitness/Sports Coaching, Weddings (Accessory Comes with 3.5mm adapter)     Selectable Channel and Volume Control - Dual channel wireless microphone provides multi-frequency and volume control, just press the button on the transmitter to select the desired frequency and volume level for optimal performance without interference          Pointing characteristics: supercardioid pointing     Channel: Stereo     Battery life: over 12 hours     Specifications: 4 channels     colour: black + silver     Material: ABS+metal     Size: 43.7x32x10.5cm          Package Contents:     1 x Receiver     4 x Lavalier Microphone     1 x USB cable     1 x 3.5mm adapter          Only the above package content, other products are not included.     Note: Light shooting 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.