... 4-in-1 functions portable mobile power bank 1,Portable,mini size. 2,Rechargeable polymer battery. 3,Led lighting. 4-in-1 functions portable mobile power bank 1 ... . Product Specifications: Bluetooth Specification:V2.1+EDR Frequency Working Range: ... Carton size:530*320*242mm,NW:6.KGS/CTN,GW:7.5KGS/CTN, 20PCS/CTN. 3.DeliveryLeading time: 20 ...