Wireless In Ear Monitor System: Our wireless audio mitter and receiver provide crystal-clear, high-definition sound for professional monitoring in any live performance or studio setting. Designed specifically for monitoring scenarios, our system ensures an immersive and accurate listening experience. Seamless Wireless mission: With our rechargeable mitter and receiver, you can enjoy the freedom of wireless monitoring without compromising on audio quality. The 2.4GHz wireless band offers a stable and interference-free signal mission, allowing you to move freely up to 90 feet away from the mitter. Versatile and Flexible Connectivity: Our wireless in ear monitor system supports multiple receivers simultaneously receiving signals from a single mitter, making it suitable for band rehearsals, live performances, and studio sessions. Whether you're using a mixer, sound card, speaker, guitar amp, or digital sound card, our system can seamlessly connect to a wide range of audio output devices. Long Battery Life and Quick Charging: With a built-in 500mAh rechargeable battery, our mitter and receiver can provide up to 8 hours of continuous use on a single charge. When it's time to recharge, simply connect them to any USB charging device using the included USB charging cable. No more worrying about running out of power during a performance! Easy to Use and Low Latency: Our plug-and-play wireless IEM system ensures a hassle-free setup process. -key switch between stereo and mono mode allows you to adapt to different devices and occasions effortlessly. With a delay of less than 8ms, our system guarantees real-time audio mission and minimal latency, ensuring precise timing and synchronization during performances. Wireless Band:2.4GHz Range:30 meters outdoor or 15 meters wall distance Delay:less than equal 8ms Signal-to-noise Ratio:-98dB Dynamic Range: 105dB Frequency Response:20 to 20KHz, +1dB/-3dB Battery Capacity: 3.7V, 500mAh Battery Life: About 8 hours Charging Device:USB charging cable Product Size:4.5x1.8x6.3cm/1.8x0.7x2.5inch Due to different product batches, the appearance , which does not affect the use. Colour:As Shown Material:Plastic Package Contents: 1 * mitter 1 * Receiver 1 * Charging Cable 1 * Audio Cable 1 * 6.35mm Adapter 1 * English instruction manual Only the above package content, other products are not included. 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.