Solution：AK2031
1.USB2.0(HS) practical rate over 300KB/S
2.Music format: supports MPEG 1/2/2.5 Layer I/II/III, WMA and WAV,ASF and WMV.
3.Capacity: 32M-4Gb flash memory.
4.Works as a removable USB pen drive when connected to a PC.
5. blister packing. if need gift box or customed packing , additional cost will be added.