Supported formats: MP3 (8 to 320 kbps), WMA, VBR, AAC, WAV, APE, FLAC, files
Internal memory: no memory but can support tf card up to 8 GB
System supported: Windows ME/2000/XP/Vista
Power: Built-in 3.7V lithium polymer, rechargeable battery
Up to 5 hours of playback time
Frequency range: 87.5-108.5MHz
Size: 4.5 x 2.9 x 1.2cm
Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you!