The latest new product from UpRight Enterprises and UpRightMics.com is a rechargeable wireless microphone system that comes with two mics and a dual channel receiver.You just insert the microphones into the charger holders on top of the receiver when you are not using it and it recharges your batteries.
Even the price is outrageous for this Dual Channel system with 2 Microphones!

SPECIFICATIONS

Receiver

Mode ------------------------------- Crystal Frequency Lock
Frequency Range --------------- 180-300MHz
Frequency Stability------------- 15PPM
Sensitivity------------------------- 3uV 30dB S/N
Signal to Noise Ratio----------- 60dB
Audio Output---------------------- 0-0.5V/4.7K
Dimension------------------------- 326 X 200 X 53mm
Power AC Switch ----------------110-220


Transmitter

Frequency Range--------------- 180-300MHz
Frequency Stability------------- 15PPM
Modulation Mode--------------- FM
Modulation Depth --------------- 10KHz
Emission Power ------------------- 30mV Max.
Harmonic Suppression ---------- 40dB
Battery------------------------------ AA
Antenna ---------------------------- Built-in
Battery Current ------------------ 25-30mA
Dimension ------------------------247 x 45mm


System Specification

Frequency Range--------------- 180-300MHz
Frequency Stability------------- 0.01%
Modulation Mode-------------- FM
Frequency Response---------- 50-16000Hz
Signal to Noise Ratio--------- >60dB
Maximum Sound Pressure-- >120dB
Distortion Factor--------------- <1%
Effective Field ------------------ 30m
Operating Temperature------ 50-120F