Specification: Material: ABS Interface type: 3.5 interface/Type-C Receiver distance: approx. 30m/98ft Playback time: Approx. 24 hours Charging input: 5V/1A System distortion: ≤ 0.03% @ ODB/1KHZ Frequency Response: 10HZ-20OHZ Headphone output: 2x10OMW (32 Ω) Carrier frequency: ISM band 5.8GHZ Audio Quantisation Sample Rate: 24-BIT/48K Transmission Delay: Approx. 6.5MS Battery: 300mAH Product size: 4.5 * 4.9 * 1.6cm / 1.8 * 1.9 * 0.6 inches Description HIGH FREQUENCY TRANSMISSION: Our 5.8G wireless in-ear monitoring system ensures lossless sound quality and strong anti-interference capability, allowing you to enjoy clear uninterrupted sound even in crowded environments. BATTERY LIFE: Our in-ear monitor headphones are equipped with a high-capacity 300mAH battery that provides up to 24 hours of continuous playback time, so you don't have to worry about running out of power during performances or practice sessions. SEAMLESS WIRELESS CONNECTION: Say goodbye to tangled wires and experience the freedom of wireless monitoring. Our innovative design supports TYPE-C and 3.5mm ports, ensuring compatibility with a wide range of devices such as smartphones, computers, stages, conferences, and more. DUAL HEADPHONE MONITORING: Our in-ear monitoring system is designed with dual monitor holes that allow two people to listen o the receiver at the same time, perfect for live performances, stage productions, or any situation where more than one person needs monitoring capabilities. RELIABLE SIGNAL STABILITY: Our wireless in-ear monitoring systems are equipped with the latest generation of chips to ensure stable and lossless transmission of audio signals. Experience low-latency and high-fidelity sound reproduction, allowing you to fully immerse yourself in a performance or linked conference. Packing list: 1 x Transmitter 1 x Receiver 1 x Type-C charging cable 1 x 3.5mm audio cable 1 x 1 USB 1 x Instruction Manual