1. 2.4G digital signal transmission, the usage range can reach about 30-50 meters. 2. Frequency switching, there are 11 channels to choose from. 3. Built-in lithium battery, fully and lasts for about 8-12 hours. 4. Small size and weighs only about 55g. 5. A transmit signal can be connected to multiple receivers (unlimited). 6. High-quality audio transmission, clear sound quality and high This is a stereo portable and practical mini wireless in-ear monitoring system that is convenient for outdoor performance and recording monitoring. It has good signal transmission distance and clear sound transmission. The built-in lithium battery can be via the Typec interface and can be used for about 10 hours when fully . When the signal is , you can manually switch the frequency to avoid signal disturbance and enhance applicable usage. restoration. System technical parameters: 1. Sampling frequency: 16Bit/48KHz 2. Wireless technology: digital 2.4G 3. Delay rate: Stereo 15ms 4. Battery life: TX-7~8 hours; RX-10 ~ 12 hours 5. Frequency response: TX-20Hz~20KHz, 0dBV (1Vrms); RX-20Hz~20KHz, +1.5dBV (1.2Vrms) 6. Noise bottom limit: TX-85dBV; RX-89dBV/(-94dBV after noise gate is opened) 7. Transmission distance: 30m ( 50m in the optimal open environment) Color: White Material: plastic Package Contents: 1set * In-Ear Monitor System 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.