20W Portable Bluetooth teaching Speaker Model:DSP5505 ● Lightweight, ultra portable design. ● Can be hand carried, shoulder-strapped, on a flat surface or mounted. ● Up to 24 hours of standby for per 2-hour charge. ● Choice of Single or Dual Pairing operations (PAS-1 or PAS-2) ● AC and lithium rechargeable battery operaon. ● 3.5mm line input accepts external MP3, iPod and CD player. ● Powerful and 3 directional sound projection ● Smooth uninterrupted operations (with multiple sets) ● It is a secure-based system that only allows user with the pendent microphone to access to it. This will help to prevent misuse of the system. ● An interference design from mobile devices and APs. ● Works both in indoor ......
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