Mini portable waistband voice amplifier for teacher

Product Parameter:

•  Frequency Response:100Hz-13,000Hz

•  Output Impedance:4Ω
•  Input Signal:Microphone(600Ω)
•  Microphone sensitivity:-52dB
•  Operation Voltage:9V
•  Power Source:Built-in Rechargeable Li-ion Battery
•  Battery Capacity:3000mAh
•  Power adapter input:AC 100-240V
•  Power adapter output: DC9V / 500mAh

•  Size:119*91*43mm
•  Weight :380g
•  Charging Time:6-8 hours
•  Operation time:15-18 hours continuous
•  Support Music Format:MP3,WAV,WMA

Feature:

• Digital FM Radio
•  LED Screen & LED indicator

•  Wireless remote control:20 meters

•  Original machine warranty for one year

•  Time display,portable PA System
•  Multifunctions: microphone amplification, recording, speaker, FM radio, Music player,U-disk,TF  Card
• Application fields:Teaching, speech, tour guide, exercise coach, promotion, music and outdoor  activity.