2.4GHz Audio Tour Guide Acoustic Transmission System Headset Microphone 28.4 x 5 x 24.1cm Black

Description: Frequency Range: 2400-2483MHz Operating Range: Approx. 100m / 328ft Frequency Response: 30Hz-18KHz Sampling Rate: 16K at 16bit*2 Number of Channels: 30 Transmit Power: ≤18dBm S/N Ratio: ≥75dB Latency: <0.5ms Max Operating Range: 100 meters Power Supply: 2 * AA battery (not included) Transmitter / Receiver Size: 10.1 * 6.5 * 2.5cm / 3.97 * 2.56 * 0.98in Transmitter / Receiver Weight: 90g / 3.15oz Package Size: 28.4 * 24.1 * 5.0cm / 11.18 * 9.48 * 1.96in Package Weight: 388g / 13.66oz Package List: 1 * Transmitter with Lanyard 1 * Headset Microphone 1 * Receiver with Lanyard 1 * Earphone 2 * Antenna 1 * English User Manual