DEBRA ST-mini 2.4G Stereo Wireless Monitor System Transmitter & Receiver 1. 2.4G digital signal transmission, stable reception, and smooth lag-free coverage up to 30-50m. 2. Multi-band switching to prevent frequency crosstalk. 3. One transmitter can be paired with multiple receivers simultaneously. 4. Built-in rechargeable lithium battery, boasting 8-12 hours of continuous use, suitable for outdoor use. 5. Equipped with stereo headphones, providing real-time audio feedback and noise isolation. 6. The transmitter supports connection to sound cards, mixers, microphones, amplifiers, effects processors, and other devices. 7. Lightweight and portable mini monitoring system. Technical Specifications Sampling Frequency: 16 Bits45KHz Wireless Technology: Digital 2.4G Latency: Stereo 15ms Frequency Response: 20Hz-20kHz Battery Life: TX 7-8 hours, RX 10-12 hours Packaging Contents: Transmitter x 1 Receiver x 1 Headphones x 1 Audio Cable x 1 User manual x 1