Feature: 1. 【Wireless In-Ear Monitor System】: Our UHF wireless IEM system provides a reliable and interference-free audio transmission experience. With 8 frequency points and one-key activation, you can easily switch frequencies or pair the transmitter with multiple receiver units. Designed specifically for real-time monitoring during live performances, this system ensures crystal-clear sound quality with less than 3mS latency. 2. 【Rechargeable Transmitter and Receiver】: Our wireless IEM system features a built-in 500mAh lithium battery that can last for 4-5 hours on a full charge. Simply recharge and enjoy uninterrupted monitoring sessions. The compact and portable design allows for easy clipping onto your belt or instrument. 3. 【Wide Compatibility and Easy Setup】: Compatible with all audio source devices, our wireless in-ear monitor system offers versatile connectivity options. The included earphone cable allows for adjustable volume control, giving you complete control over your sound. Setting up is a breeze - simply turn on the system and it will automatically connect without any additional configurations required. 4. 【Long Wireless Range and High-Quality Audio】: Experience freedom on stage with a wireless reception distance of up to 50 meters in open areas. Whether you're a singer, musician, or performer, our system delivers a high-definition single-channel audio signal that captures every detail of your performance. Immerse yourself in the music and never miss a beat. 5. 【Convenient and Portable Design】: Our wireless IEM system is designed with convenience in mind. The compact size and lightweight construction make it easy to carry and use wherever you go. Whether you're rehearsing in a studio or performing on a stage, our wireless transmitter and receiver provide reliable and seamless connectivity, allowing you to focus on what matters most - your music. Specification: Modulation Mode: Digital Frequency Modulate Frequency Range: UHF 630-690MHZ Preset Frequencies: 8(auto paring) Frequency Response: 75Hz~18kHz±3dB Max.Deviation Range: ±50kHz(with level limiting） T.H.D.: 98dB Working Range: Up to 30 m/98 ft RF Carrier Stability: ±0.005%(-10℃-50℃) Power Consumption: 110mA Mode of Transmission: mono Transmitter Frequency Setting: manual button setting Power Supply: 3.7V 500mAh Rechargeable Battery Battery Life: 4.5 hours Transmitter Size: 11 * 3 * 1.8 cm/4.3 * 1.2 * 0.7inch Receiver Size: 7 * 2.5 * 2 cm/2.8 * 1 * 0.8 inch Transmitter Weight: 29 g/1 oz Receiver Weight: 27 g/0.9 oz Package List: 1 * Transmitter1 * Receiver1 * Wired Earphones4 * Earbuds1 * USB Cable1 * 6.35mm Audio Converter1 * Manual