Uhf Metal Karaoke Wireless Microphone

Our company is engaged in producing of UHF Metal Karaoke Wireless Microphone to our patrons with the following details:
Features
1. UHF Dual channel wireless micropohne
2. Full metal receiver and transmitter case.
3. High quality capsule.
4. Frequency and signal display on receiver
5. All controls are intuitive and easily setup via buttons.
6. Reliable RF & transparent audio performance.
7. 80 m (265 ft.) operating range.
8. 100% SMT technics ensure high performance.
9.Suitabel for school,church,clubs,stage,karaoke!

Specifications:

Channel Dual channel Chassis EIA Standard 19a 1/2U (212 x 180 x 44 mm)
Frequency range UHF470-786MHz (CE standard)
Frequency response 40Hz-15 kHz A 3dB
Antenna Real panel (Detachable)
Stability A 0.005% (-10~60A C)
Sensitivity 22dBuV S/N ratio>106dB(A)
T.H.D. <1.0% RF power 9 mW
Power supply DC 12V/ 800mA
Operation range 80M (265 ft.)
Audio output Balanced & unbalanced Battery 3V (1.5V AA x2)
Battery working time Up to 8 hours