Model   number:  SG-F12
Specification  Battery capacity: 400mAh
  Rated power: 3W
  Playback time: 6 hours
  Charging time: 3 hours
  Colors: Blue, Black, Red, Gray and Green, Red and Blue
Functions  1. Support hands-free calls
  2. Support TF card, U stick and 3.5mm audio input (AUX)
  3. Support FM radio
  4. Two speakers can be set to a pair and connecting to one phone (couplet   spearkers)
Packing   info  Speaker size: 80×80×135mm
  Packing size: 83×83×147mm
  G.W/N.W: 380g/311g