QFX M-551 Wireless Mic with Digital Display

The M-551 wireless system includes a handheld microphone with built-in transmitter as well as plug-in wireless receiver. The microphone features a metal grill cover and internal wind/pop filter that offers excellent noise suppression. It is a great choice for singing, teaching, announcing, making presentations or for other public speaking engagements. The handheld microphone transmitter is powered by two AA alkaline batteries (included) while the wireless receiver is USB rechargeable.
Features:
System Features
16 Channel Multi-frequency Microphone Wireless System
Frequency Range 470-608Mhz. • Frequency Selectable & Auto Pairing
Oscillation Mode: DSP IC Frequency Locking
Up to 30 Meters • Portable System is High Mobility
T.H.D: <0.02%
S/N Ratio: 94dB
Handheld Transmitter Specification
LCD Display
Cardioid Dynamic Microphone
On-Off Switch
Sensitiviy: <94dB 
Max. Power Consumption 10mW
Power Source 2 AA Battery Included
Specifications:
Colors: Black
Master Carton Qty: 20
Master Carton Dim: 21.34x12.01x13.78 in
Master Carton Wt: 23.81 lbs
Packaging Dim: 11.61x5.24x2.56 in
Packaging Wt: 1.10 lbs
Unit Dim: 2.13x2.17x10.00 in
Unit Wt: 0.86 lbs
UPC: 606540002346