D Debra Audio PRO ST-Mini 2.4G Stereo Portable Wireless In-Ear Monitor System with Monitoring Type for Stage, Band, Recording Studio, Musicians, Monitoring

‌2.4G digital signal transmission, the use range can reach about 30-50 meters. Frequency switching, a total of 11 channels to choose from. Built-in lithium battery, fully charged can be used continuously for about 8-12 hours. Small size, weighing only about 55g. One transmission signal can connect multiple receivers (no upper limit). High-quality audio transmission, clear sound quality, high restoration.