Features:It consists of a transmitter， receiver， two piece of earphone( one is with speaker)， an audio signal cable， a lavalier/lapel microphone.Experience more freedom of movement while recording .Excellent sound quality， great portability， easy setup .Two way communication system.Approximate 50m(164ft.) operation range.Compact， high performance， lightweight.The receiver with standard hotshoe， compatible with DSLR cameras， camcorders， audio recorder etc..Specification:RF Modulation: GFSK (Gauss Frequency Shift Keying)Frequency band: 2.4GHz (2405-2478MHz)Frequency response: 35Hz-14KHz±3dBSignal/Noise: 76dB or moreDistortion: 0.1% or less (32， 1 KHz， 65 mW output)FR output level: 5 mWEarphone output level: 32， 65mWReception sensitivity: -85dB+/- 3dB / 0dB=1V/Pa， 1KHzAudio input connector: 3.5mm mini jackOperation range: 50m (164 ft)Power requirement: 2 * AAA batteries(not included)Consumption power: Transmitter: 3.3V/110 mA Receiver: 3.3V/100 mAPackage size: 15.2 * 10.8 * 6.3cm / 6.1 * 4.3 * 2.5inPackage weight: 250g / 8.8ozPackage List:1 * Transmitter 1 * Receiver2 * Earphone( one for speaker)1 * Audio Signal Cable1 * Lavalier Microphone1 * Manual (English & Chinese)"
