Detailed Product DescriptionFeatures:
1) Supports MP3/WMA playback
2) Voice recording
3) USB flash drive
4) FM Radio (optional)
5) Support ID3 and LRC display
6) Multi-EQs, USB2.0 full speed
7) Dimensions: 88 x 31.5 x 21mm
8) Net weight: 31g (without battery)