Specifications:
Ideal for spoken word presentations
Karaoke performance
Multimedia and Instrument use
True Diversity
Professional UHF
Dual Channel
Channel 1 Frequency: 767.6MHz
Channel 2 Frequency: 763.1MHz
Dual Antenna 
2x Metal Microphone
XLR Balanced Output
Mix Output
LCD Digital Display
Power AC 220V
UHF Floating Frequency 800hmz
32/64/99 Channel Free Choice
Infrared Pairing Frequency
AA Battery
Standard 1U Structure
Imported Microphone Core
High-Definition True Sound Quality Output Interface
Working Frequency: 800MHz 32/64/99 Channels Can Be Freely Selected
Bandwidth: 40MHZ (20KHz Per Channel)
Modulation Method: FM Frequency Modulation Frequency
Stability: PLL Phase-Locked Loop
Frequency Synthesis Technology Within ±0.005
Infrared Frequency
Frequency Stability: ±0.002%
FM Modulation Frequency Deviation: ±45khz
Intelligent Battery Under-Voltage Warning Display
Dynamic Audio Compression
Automatic Level Control Circuit
Receiver: 480 x 195 x 45mm
Microphone: 25cm
Use Battery: 2 AA Batteries
Lasts about 8 hours