Wireless Handheld Microphone System with 2 Cordless Mics and Receiver Box Professional Live Equipment Optional 25 Channels UHF Band Wire

Features: 
Crisp and loud -- this handheld microphone set clearly amplifies sound without any static or buzzing. 
Two modes to connect to background music -- BT type and Line-in type. 
Microphone's volume and reverberation can be adjusted by knobs on the receiver box. 
Microphone adopts UHF band, working distance is more than 15 meters, suitable for outdoor use. 
The handheld microphone and receiver box are made of aluminium alloy in compact design and upscale appearance, widely applies for conference, lecture, home entertainment, etc. 
Support professional microphone frequency conversion operation ( 25 channels are optional) whenever and wherever possible to avoid interference signals. 
Microphone priority function -- the background music will be turned down automatically to highlight human voice when talking to the microphone. 

Specifications: 
Microphone -- 
Material: Plastic, Metal; 
Color: Silver + Gold; 
Transmitting power: ≤ 10MW; 
Transmitting distance: ≥ 15m; 
SNR: > 70dB; 
Distortion: ≤ 0.5%; 
Optional channel: 25 channels; 
Power supply: 2 AA batteries (3V) (battery is not included); 
Frequency Response: 80Hz-10KHz; 
Microphone length: 24cm / 9.45in; 
Receiver box -- 
Power supply: Adaptor (5V 1A); 
Working current: ≤300MA; 
Bit width: 16bit; 
Time delay: ≤ 5ms; 
BT: 4.1; 
Package size: 27.8 * 16.2 * 11.3cm / 10.94 * 6.38 * 4.45in; 
Package weight: 1151g / 40.6oz. 

Package List: 
2 * Handheld microphone; 
1 * Receiver box; 
1 * USB plug to DC plug power cord; 
3 * Audio cable (including switcher); 
2 * Antiskid rings; 
1 * User manual; 
Only the above package content, other products are not included. 

Note: 
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.