The multifunctional voice amplifier is very suitable for teachers， tour guide ect.

Features:
Loud sound and clear tone quality.
Equipped with a headset microphone， working with the loudspeaker.
Multi-functional product which has TF socket to play audio files from micro SD memory card.
Can also be used as a FM radio receiver， meeting your different needs.
Echo Control design to make your voice natural and hollow.
With an indicator to show the battery status.
Built-in rechargeable lithium batteries can last about 5 hours continuously.
With an earphone socket， allowing you enjoy the sound without disturbing others.
Comes with adjustable waistband， one size fits most people.
Suitable for teachers， tour guide ect.

Specifications:
Output Power: 25W(Max.)
Frequency Response: 120Hz-12KHz
SNR: 80dB
Mic Output Resistance: 16Ω-32Ω
Battery Type: 7.4V/1800mAh
Input: AC 110-240V
Output: DC 9V/350mA
Supporting Format: MP3
FM Received Frequency: 87.5MHz-108MHz
Item Size: 9 * 9 * 4cm / 3.5 * 3.5 * 1.6in
Item Weight: 202g / 7.2oz
Package Size: 18.5 * 14 * 7cm / 7.3 * 5.5 * 2.8in
Package Weight: 366g / 12.9oz

Package List:
1 * Voice Amplifier