Features:<br />Wireless Headset Microphone/Receiver: having low battery indication and low battery shutdown function. A/B channel will avoid the distraction of the same frequency by changing frequency when using the same frequency.<br />Adopting UHF Digital PCB Board: 2.5ms transfer delay, up to 30 meters operating distance, good ability for anti-interference, more reliable and stable for transmit, has clear recording effect and pure sound.<br />Full Directional Hifi Mic: the high fidelity mic remain more fine and exquisite sound quality.<br />360 Adjusted Flexible Shaft: soft shaft can be shaped at any angle as needed.<br />Strong Clip: sturdy metal clip lets you easily attach it on the musical instrument, no easy to fall off. Inner side embedded with soft rubber to avoid scratching the instrument, suitable for a variety of musical instrument like saxophone, trumpet, horn, etc..<br />Plug and Play, Strong Commonality: receiver with 3.5mm standard plug, comes with a 6.35mm conversion plug, which makes it suitable for loud-speaker, computer audio, pull rod audio amplifier, mixing console, etc.<br/>Specifications:<br />Material: ABS&#43;metal<br />Microphone &amp; Receiver Channel A: 600~649MHz<br />Microphone &amp; Receiver Channel B: 650~699MHz<br />Microphone &amp; Receiver Battery: Built-in 3.7V 400mAh li-polymer battery<br />Microphone Transmitted Power: 10dB<br />Microphone Mic Type: Condenser<br />Receiver Frequency Range: 50Hz~15KHz<br />Receiver Power: USB5V/500mA-1A<br />Working Distance: 30 meters<br />Main Unit Size: 66 * 25 * 17mm / 2.60 * 0.98 * 0.67in <br />Item Weight: 90g / 3.20oz<br />Package Weight: 251g / 8.86oz<br />Package Size: 23.5 * 18.5 * 6.5cm / 9.25 * 7.28 * 2.56in<br/>Packing List:<br />1 * Microphone<br />1 * Receiver<br />1 * USB Cable<br />1 * 6.35mm Conversion Plug<br />1 * Manual (English)