UHF Dual Channel Karaoke Wireless Microphone

Our firm is engaged in producing of UHF Dual Channel Karaoke Wireless Microphone with the following details:
Features:
1.2x wireless UHF frequecny microphones
2.Features 2 different frequencies to avoid interference between microphones
3.Wireless range up to 80M with no interference
4.Output is either via balanced XLR socketor via unbalanced 6.5mm socket(cable is included)
5.Comes with digital display receiver
6.Power supply for receiver included
7.Hard carry case included
8 4xAA batteries included
9.Suitable for schoolschurchesclubspubs or karaoke!

Specification:
Carrier Frequency: UHF470-865MHz
Audio Frequency Response: 40Hz-15 kHz A 3dB
Dynamic Range: >100dB
THD: <1.0%
S/N Ratio: >85dB
Working Range: >70M
Transmitter
Max. Transmission Power: 9 mW
Max. Deviation: A 40 kHz

Battery: 3V (1.5V AA x2)

Continuous Working Time: Up to 8 hours

Receiver

Power Supply: .DC 12V/ 800mA

Power Consumption: 9W

Receiving Sensitivity: 22dBuV