Features 1 transmitter and 4 reciever and only used once.. Professional Sound Quality: Despite its compact size, it offers lossless sound quality with low noise, minimal latency, and excellent resolution. Wireless Transmission: Operates on the 2.4GHz frequency band with a 24-bit/48kHz sampling rate. Mono and Stereo Modes: Easily switch between modes to suit different devices with a simple button. Rechargeable Battery: Built-in lithium-ion battery, rechargeable via USB. Simultaneous Operation: Supports up to 5 sets of equipment operating simultaneously.

Specifications

Material: ABS Sampling Rate: 24-bit/48kHz digital transmission Transmission Frequency: 2.4GHz Latency: < 12ms Range: Up to 30 meters in open spaces, 15 meters with walls Battery Capacity: 550mAh Charging Method: USB cable Signal-to-Noise Ratio: -98dB Dynamic Range: >105dB Frequency Response: 20Hz to 20kHz, with a variation of +1dB/-3dB Product Dimensions: 54x45x13mm Product Weight: 31g Package Weight: 89g Package Dimensions: 74x60x38mm