Features: 1) Supports MP3/WMA playback 2) Voice recording 3) USB flash drive 4) SD/MMC card reader 5) FM Radio (optional) 6) Supports ID3 and LRC display 7) Multi-EQs, USB2.0 full speed 8) Dimensions: 62 x 61 x 12mm 9) Net weight: 26g (without battery)