Hisonic HS380L VHF Wireless Lavaliere Microphone with Long Range , Battery or AC operated, One Channel Fixed Frequency (HS380L)

Compare with FM band wireless system, this HS380L VHF system is Much better than FM band system !
This is Hisonic new wireless system that meets the needs for the stage or home entertainment.
We design this wireless system for Karaoke and Speech, it is perfect tool to use in two ways: It works both battery and AC adapter.
The carriers frequency we use is specified by FCC, and it will work with any amplifier or computer system.
You can use it with any Speaker that has amplifier built in.
This easy-to-use and affordable wireless microphone includes one body transmitter and 2 microphone pickups giving you the range and enhanced mobility you need (over 50 meters !).
This microphone system is not only economical, but practical -- it will do the trick for almost any occasion, from meetings or corporate events, to speeches or ceremonies, or even to emcee a party or host a karaoke night. The wireless microphone system is recommended for everybody:
SPECIFICATIONS:
* Operating Range: 50 Meters or longer
* Frequency Range: VHF*
* Frequency Response: 40Hz - 20,000 Hz (+-3dB) *
* Signal to Noise (S/N) Ratio: 100dB *
*T.H.D:<0.5%
*Receiver Power Supply: AC 110V 50Hz or AA Battery
* Microphone Power Source: 2 AA battery
* Battery Life: 10 - 30 hour
*Body Transmitter:4"X 2 1/2"X 3/4" inches
* Receiver Dimensions: 6" x 4" x 1" inches
* Antenna: Telescopic antenna for range extension.