MT-B007,New Mini Bluetooth Speaker .MOQ:3000pcs , CE/Rohs & BQB . CSR V2.1+EDR bluetooth solution,2X2W stereo sound speaker,3.5mm audio jackLithium battery inside, it can last work for 4 hoursMINI USB,voltage:4.25-5.5 Model size:80*80*77mmPack size:85x85x105gw(Kg):0.25kgsnw(Kg):0.2kgscetificate:CE/BQB