1,with ROHS,CE,ISO certificate 2,the leader of amplifier and speaker Whether you're a teacher, lecturer, exercise instructor or presenter, make sure you get your message across loud and clear with this handy waist band amplifier. With no leads or cords attaching you to one point, this waistband gives you the freedom to move around your stage or classroom at your will. Frequency stability, strong anti-interference, low distortion, good sound quality, stable performance. Low distortion and effective feedback rejection, it's a great choice!Material: ABS Engineering Plastic,Meet ROHS ComplianceOutput Power:  15WFrequency Response: 100HZ-13.000HZ+1db Current Consumption:150mAInput Signal: Wired Microphone (-20db, 600)Voltage: DC 7.4V, 1200mA Lithium BatterySize: 100x80x35 mmWeight:258g  Impedance:4ohm

Features:

 

 

  How loud is the Amplifier? (dB )  

Three color to selection: Black,Red,White

Package include:

1 x Mini Voice Amplifier Megaphone1 x Headset Microphone1 x Audio Cable1 x Waistband1 x Charger1 x User Manual 

With ROHS,CE,ISO etc certificates

Rechargeable Portable Mini Tour Guide Amplifier Speakers G268W