Saramonic Blink100 wireless microphone system is an ultra compact and portable 2.4GHz wireless microphone system, compatible with smartphones, tablets, DSLR cameras, camcorders, etc. The Blink100 system features automatic pairing and selectable noise cancellation, delivering broadcast-quality sound, ideal for live streaming, vlogging, mobile journalism, and more. With digital 2.4GHz transmission, the Blink100 system offers a stable and impressive line-of-sight range of 50m, achieving an unmatched audio experience for content creators. Press both “+” and “-” at the same time button to turn on/off the noise reduction function. When turns to noise cancellation mode, the Blink100 system indicator static green light removes ambient noise and offers a clear sound. Turn on transmitters, and connect the Blink100 RX to a device like a smartphone, tablet, DSLR camera, camcorder, etc., transmitter and receiver will be automatically paired. No other tedious operations, just plug and play. With a total weight of less than 16.5g, the Blink100 transmitter is ultra-compact and lightweight. Just clipping the transmitter on the collar is easy to conceal. The Blink100 receiver's and transmitter's built-in rechargeable battery provides up to 10 hours of runtime, which supports all-day recording.