<p>Smallest size, easiest to control headset.</p> <p>2.4G wireless technology, low latency, no compression.</p> <p>Support connecting to mobile phone for feedback</p> <p>Stereo, plug and play.</p> <p>Suitable for wireless monitoring system for stage performers and performers, providing higher quality sound feedback.</p> <p>Sampling rate:24bit\/48KHz lossless digital transmission</p> <p>Wireless frequency range:2.4GHz</p> <p>Delay:less than equal 12ms</p> <p>Effective distance:less than equal 30 meters outdoor distance or 15 meters wall distance</p> <p>Power supply:Built-in lithium battery can be by USB in 10 hours</p> <p>Charging device:USB charging cable supports fast charging</p> <p>Signal-to-noise ratio:-98db</p> <p>Dynamic Range: 105dB</p> <p>Frequency Response:20-20K Hz, +1db\/-3db</p> <p>Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!</p> <p>Colour:Black</p> <p>Material:Plastic</p> <p>Package Contents:</p> <p>1 * Transmitter</p> <p>1 * Receiver</p> <p>1 * Earphone</p> <p>1 * Charger Cable</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>