Universal wireless system: Record crystal-clear, distortion-free audio from your DSLR, camcorder, smartphone, or tablet. Perfect for filmmakers, vloggers, mobile journalists, and content creators Reliable audio: Features an upgraded RF Chipset that broadcasts on the open 2.4GHz frequency spectrum, allowing for interference-free and regulation-free wireless transmission up to 200' ft (60m) 1-year warranty: WeÂ’ve got your back! Our products are designed to ease your technical woes, not add to them. Our friendly US-Based support is here to help Convenient: Listen to your audio in realtime with the headphone input to ensure accurate sound recording. For more control, adjust the microphone volume to reduce time in post-production. Each unit is powered by two "AAA" batteries for up to 6 hours of operation In the box: Includes a transmitter with belt clip, receiver with belt clip and shoe mount, lavalier microphone, 3.5mm TRS cable for cameras, 3.5mm TRRS cable for smartphones and tablets, and a hard case Includes Specifications Manual Receiver with camera/tripod mount Transmitter with belt clips Lavalier microphone with windscreen and lapel clip 3.5mm TRS cable (for DSLRs, video cameras, recorders) 3.5mm TRRS cable (for smartphones, tablets, computers) Hard carrying case 1-Year Warranty System specs RF Modulation: GFSK Frequency Band: 2.4GHz Frequency Response: 35Hz-14 KHz+/-3 dB Signal to Noise Ratio: 84dB Audio input connector: 3.5mm TRS Distortion: 0.5% (-60 dBV, 1 KHz input) Power supply: Two AAA batteries (up to 6 hours of run-time) Transmitter/Receiver Dimensions (each): 1.8" x 2.8" x 1.4" (45 x 70 x 35mm) Weight (each): 47g (1.7 oz) without batteries Lavalier Mic Specs Polar pattern: Omni-directional Frequency Range: 35Hz ~ 18 KHz Signal / Noise?74dB SPL Sensitivity: -30dB +/-3dB / 0dB=1V/Pa, 1 kHz Connector: 3.5mm TRS Cable Length: 1.2m (4') View WMX-1 manual