Headset Wireless Microphone with Amplifier Receiver Voice Amplifier for Teaching, Stage, Etc.

Features: 1.Using a one-way vacuum microphone, a background noise efficiency scan, and adopting a smart noise cancellation chip, it can effectively suppress the noise, so you can clearly communicate your voice around noise. 2.We offer matches from 3.5 to 6.35 to provide you with additional options. 3.It's broadly consistent with a highly-qualified audio/speaker/speaker mobile/hybrid microphone systems. 4.Loaded cable in the portusb has two exits to the notion of a simultaneous transmitter and recorder, with a working time of 6-8 hours after full payment. 5.Easy to use, please activate the transmitter's electric badge and shelter, press the + buttons button to start coupling, the detected light stops flashing after successful matching, you can use it without further action. 6.Suitable for instruction, lectures, meetings, guided tours, entertainment, shopping and other events, can also be used as a hand microphone, an ear microphone, so you can move more freely and show yourself.

Except: Audio signal: 16bit-16khz digital sample Frequency response: 100hz-15khz 50 meters. Need transmission power: <15ma Reception power required: <10ma Dynamic range: 96db Distribution: <0.1 percent Type of battery: Load time: 2 hours Activation time: 6-8 hours Frequency range: 2400-2483mhz Phonon state: gfsk Package size:8.5*7*3cm

The package includes: 1 * shelter 1* Instructions for Use 1 * One tractor cable 2 1 * matches 6.35