1.Portable waistband megaphone speaker 2.Clear and loud voice 3.Last working more than 20 hours 4.Mp3 audio amplifier Electronic Features:Power Output:13 Wats Frequency Response: 100hz ± 13db1khz  ± 1dbCurrent Consumption:150mASpeaker Sensitivity:53 dBV/A +-...

1.Aker mini audio player amplifier 2.Clear and loud soud effect 3.Last working more than 20 hours 4.Lasting quality warranty mini speaker,usb mini speaker,mp3 mini speakerLet the world hear the voice of AKERPortable Waistband Voice Booster PA Amplifier MR-1507If you're are a...

Aker portable mini loudspeaker for teachers Clear and loud soud effect Last working more than 20hrs 2 year quality guantee Let the world hear the voice of aker- Aker portable mini loudspeaker for teachers...

1.Aker portable mini voice amplifier 2.Clear and loud soud effect 3.Last working more than 20 hours 4.Lasting Q-warranty Let the world hear the voice of  AKERPortable Waistband Voice Booster PA Amplifier MR-2700If you're are a teacher, presenter, priest, coach,...

1.Aker portable mini tube amplifier 2.Clear and loud soud effect 3.Last working more than 20 hrs 4.2 year quality guantee Aker portable mini tube amplifier-AK58Let the world hear the voice of...

Aker mini portable amplifier speaker,the muti funcitonal voice amplifier,with portable amplifier speaker,audio speaker,FM radio Aker  portable Waistband mini portable amplifier speaker MR2700 Black...