What's in the box:

Portable FM Wireless Microphone Headset System Voice Amplifier 1/4in Output Plug with Bodypack Transmitter Receiver for Teacher Speaker Yoga Instructor Presenter Lecturer Conference Speech Promotion

This FM wireless microphone system completed with body pack transmitter, headset microphone and 1/4" plug wireless receiver, high sensitivity and clear sound quality. Perfect for teacher, speaker, Yoga instructor, presenter, lecturer and so on.

Features:
Portable wireless microphone headset to effectively amplify stronger sound.
80~12500Hz frequency response, high sensitivity and clear sound quality without hum and crackle noise.
Headset microphone and belt pack transmitter design frees your hand and makes you enjoyable during speech.
Effective transmission range approx. 30 meters at open area.
Microphone cable length up to 100cm/39in, transmitter with volume control and LED indicator, 6.35mm plug wireless receiver.
Powered source: 1 * 9V battery for transmitter, and 1 * AA battery for receiver(battery not included).
Easy for operation, great for giving a speech, lecture, conference, promotion, visiting guidance etc.

Specifications:
Material: Plastic
Color: Black
Modulation Mode: FM
Frequency Response: 80~12500Hz
Output Impedance: 600ohm
Effective Distance: 30 Meters(At Open Area)
Power Supply: 1 * AA & 1 * 9V Battery(Not Included)
Operating Voltage: 9V(Transmitter) & 1.5V(Receiver)
Cable Length: Approx. 100cm / 39in
Receiver Plug: 1/4in
Item Weight: 108g / 3.8oz

Package List:
1 * Transmitter
1 * Receiver
1 * Headset Microphone
1 * User's Manual(English)

Note:
The battery not included.