Dual Handheld VHF Wireless Radio Microphone With Receiver For KTV Music Specification:
All around:
Receive Frequency: VHF 220~270MHz
Frequency Stabilization:!#!amp!*!lt;+20ppm
Dynamic Range: more than 80dB
T.H.D at 1KHz: less than 0.5%
Frequency Response: 40Hz-18Hz+3dB
Temperature Range: -10 to 50 C
Manipulate Range : radio 200

Fixed Receiver:
Power Supply: AC220V\/50Hz
Consume Power: 3 water
Signal\/Nose Ratio: !#!amp!*!gt;80dB
Image!#!amp!*!amp; Spurious Rejection:!#!amp!*!gt; 70dB
S\/N: less than 12dBu
De-emphasis: 50us

Handing Microphone:
Frequency Stabilization: !#!amp!*!lt;+20ppm
RF Output(h):+13dBm
Modulation Type: fm，f\u2083f
Max Deviation: !#!amp!*!plusmn;20kHz
Spurious Emission :!#!amp!*!lt;60dB
Battery Voltage: 9V battery
Package included:
2 x Wireless Microphone (Not included Battery)
1 x Receiver
1 x Cable
1x Adapter
1 x User Manual Detail pictures: