Frequency Band: 640-690 MHz

Frequency: 25MHz

Bandwidth: FM

Signal-to-noise ratio: 100dB(A), 10mW, 5mW

Power Supply Voltage 2x1.5V (AA) 3.7V/800mA

Audio Output: 6.35mm

Operating Range: 15 meters

Feature: Converts Speakers with 3.5mm port into Microphone Compatible Speakers