<p>Wireless In Ear Monitor System provides high-quality wireless monitoring for stage performances and studio recordings.</p> <p>Its design makes it portable and easy to use.</p> <p>Rechargeable: The wireless earphone transmitter is rechargeable and can be used for a long time. you can also use it as a phone charger, which is very convenient.</p> <p>High speed: High speed, low power consumption, long service life, no need to worry about the loss of battery.</p> <p>Feature:</p> <p>Small size yet has lossless professional sound quality, low noise, low latency, good resolution.</p> <p>2.4GHz wireless transmission band, 24 bit\/48KHz sample rate.</p> <p>30 meters long distance effective transmission distance.</p> <p>One key to switch mono\/stereo, meet the needs of your different device.</p> <p>Built-in rechargeable lithium-ion battery that can be conveniently by USB.</p> <p>Specifications:</p> <p>Sample rate: 24bit \/ 48KHz lossless digital transmission sound quality</p> <p>Wireless Band: 2.4GHz</p> <p>Delay: Less than 12ms</p> <p>-: 30 meters outdoor or 15 meters wall distance</p> <p>Charging Device: USB charging cable</p> <p>Signal-to-noise Ratio: -98dB</p> <p>Dynamic: 105dB</p> <p>Frequency Response: 20 to 20KHz, +1dB \/ -3dB</p> <p>color: Black</p> <p>material: plastic</p> <p>Package Contents:</p> <p>1 x Transmitter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>