Waistband amplifier 1800MA 18650 type lithium battery using 20hrs and with MP3 player various color available with OEM

Mini Waistband Tour Teacher Voice Amplifier With Headset Mic.(DSM201001) Features 1. Compact and elegant design, durable ABS construction 2. Excellent sound quality and effective feedback reduction 3. 12 W output power, Sound can cover 500 square meters.4. Low power consumption: specially designed digital circuit that uses battery power when required5. Built-in auto-recharging circuit with status indication for full recharge  6. Supplier with high capacity rechargeable 1800mA lithium batteries that last up to 20hours7. Choices of usage: belt chip, neck hanging & waist band. All included in this pack            ,8. Microphone: superior voice pick-up with headset construction. Gives complete hands-free convenience9. It have MP3 function. It can last up 11 hours. Contents:  1) Main unit 2) Headset microphone3) Lithium rechargeable batteries  4) Adapter5) Audio cable6) Neck hanger belt with unit case   Applications  1) Coaching                        2) Tour guides 3) Conferencing                  4) Picnics 5) Presentations                  6) Trade show promotions 7) Speech                           8) Outfield sports training 

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Mini Waistband Tour Teacher Voice Amplifier With Headset Mic.stage speaker