NUX B-3 Wireless systemWireless Snap-on Microphone System Snap-onGo WirelessFeatures2.4 GHz ISM band24-bit / 48KHzHi-Resolution Sound Quality6 Built-in switchable ChannelsRange > 100 feet line-0-site Outdoors.Dynamic Range 108dbSuper Low LatencyThe NUX B-3 is a solidly 2.4GHz wireless snap-on microphone system designed for those who want to get rid of the cables and enjoy the wireless world without any complicated set-up.1. It's Compact2. It's Convenient 3 steps and less than 30s, you're good to go!Step 1. Turn on the transmitter and the receiver. 5 secondsStep 2. Snap-on the transmitter to your Microphone and the receiver to your amplifier, mixer, or recorder. 5 secondsStep 3. Pairing up and sound check. 20 seconds.Channel 1 is the default paring channel if you want to use different channels for any reason, just press the channel switch on both the transmitter and the receiver to make sure both units are in the same channel. Wait till you see the RF Status LEDs turns blue. 3. It's ConstructiveFor videographers/live streamerThe NUX B-3 comes with hot shoe receiver holder and female XLR to 3.5mm phone jack adapter, with it you can easily attach it to your camera for wireless recording.