Features High-Quality Sound: Experience outstanding audio with our wireless ear monitor transmission system. It features a 24bit/48KHz sampling rate for uncompressed data transmission, ensuring top-notch sound quality. Enjoy a full range of audio frequencies with a frequency response of 20~20KHz, +1dB/-3dB. Low Latency: Enjoy real-time audio with minimal delay. The system offers a stereo delay of less than 10.8ms and a mono delay of less than 4.5ms, delivering seamless and uninterrupted listening. Long Range and Multi-Device Support: Featuring an effective range of 30 meters outdoors or 20 meters through walls, this system can support up to 4 groups of devices working simultaneously. It's ideal for professional settings like concerts and performances. Long Battery Life and USB-C Charging: The transmitter has a 780mA battery capacity, while the receiver boasts a 550mA capacity, providing up to 6 hours of continuous use. Convenient USB-C charging ensures reliable and enduring performance. User-Friendly Features: Made from durable ABS material, our system includes a 3.55m interface and a receiver with 5 volume indicator lights for easy control. The one-key mute function on the transmitter offers added convenience. Specifications Sampling Rate: 24bit/48KHz uncompressed data transmission Delay: Stereo < 10.8ms, Mono < 4.5ms Effective Range: 30 meters outdoor or 20 meters through walls Frequency Band: 2.4G Frequency Response: 20~20KHz, +1dB/-3dB Material: ABS Interface: 3.55m Interface Battery Capacity: Transmitter 780mA, Receiver 550mA Battery Life: Up to 6 hours Product Size: 4.2 x 2 x 6 cm (1.7 x 0.8 x 2.4 inches) Note Please be aware that the actual color of the item might slightly differ from the images due to display and lighting variations. Packing List 1 x Transmitter 1 x Receiver 1 x Charging Cable 2 x Audio Cables 1 x Manual (English)