Ultracompact, lightweight, and incredibly easy-to-use advanced 2.4GHz wireless system that delivers the broadcast-quality sound of 2-people to cameras, smartphones, tablets, computers, and more. Transmitters (TX) have a built-in mic and can be clipped to shirts and clothing or used as a belt pack with the included professional lavalier microphone. They also feature selectable mic or line-level input and vivid OLED display. Camera-mountable dual receiver (RX) features Mono/Stereo output setting, headphone output, vivid OLED display, and includes both TRS & TRRS output cables for compatibility with any device with a 3.5mm input. Features up to 8-hour battery run time, 328-feet (100m) range, portable charging carries case, and automatic channel switching to avoid static and dropouts. Transmitters and Receiver charge in the included 2000mAh portable charging carry case while plugged into power, or remotely and can be individually powered while in use with a USB power bank.