Spec.:
  1.Material: Plastic+aluminium alloy;

  2.Rate: 3.0W;
 
  3.Frequency:150HZ--20KHZ;
 
  4.SNR: ≥85db;    
 
  5.Output: 4.2V/500mA;   

  6.Speaker: inter track Speaker;

  7.eff ects.: mega bass , stereo Output;

  8.battery: lithium polymer battery with PCB;

  9.insert: 3.5mmaudio line;

  10.Size :4mm*H46mm ,Weight :290g                

  11.package :paper box packaging                              

  12.carton package size :45.5*35*27cm ,weight :15kg ,QTY :50pcs;

Function: support BT/Hands free call/TF card/Sound Output;