Features:
Enjoy the freedom of wireless speaking anywhere with the wireless microphone.
With FM microphone transmitter and receiver.
Just connect the receiver to amplifier and you can communicate wirelessly up to 10m.
Perfect wireless microphone for teaching, meetings, presentations, running a show or any where you need a microphone.

Specifications:
Modulation: FM 
Frequency response: 100 - 10000Hz
Power: 9V battery (not included)
Operating distance: Up to 10m / 32.8ft
Receiver size: 30 * 11 * 3.5cm / 11.8 * 4.3 * 1.4in
Receiver weight: 341g / 12oz
Package size: 36.5 * 28 * 6cm / 14 * 11 * 2.4in
Package weight: 805g / 1.77Lb

Package List:
2 * Microphone
1 * Receiver 
1 * Cable
1 * User Manual(English)