Crystal-Clear Sound:Advanced digital wireless technology eliminates background noise, delivering studio-grade audio quality Professional Dynamics:Built-in high-performance amplifier chip with 95dB dynamic range for precise sound reproduction -Grade Metal Design:Aircraft-grade aluminum receiver with detachable enhanced antenna ensures stable performance in any environment 100 channels to avoid interference, guaranteeing clean signal in crowded venues Lossless Transmission:24bit/44.1kHz professional audio sampling, 20Hz-18kHz frequency response -Fast Response:7ms ultra-low latency (10x faster than a blink) for perfect audio-video sync Dual Frequency Bands:560-590MHz & 640-690MHz operation ranges comply with global standards Extended Battery Life:Transmitter uses 12V power supply, receiver operates on 2xAA batteries (8+ hours continuous use) (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * Transmitter 1 * Receiver 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.