Music format: MP3/ WMA Chip: Action chips USB1.1 LCD: 7 colors backlight, ID3 function 16 Languages Capacity:64MB----1GB Voice recording: high-quality recording (36 hours) 5EQ (Jazz, Classic, Rock, Pop, Normal) Battery: 8 hours playback with one AAA battery FM Radio: 87.5?08MHz (optional) Size (L x W x H):85 x 32 x 21mm Weight: 40g (without battery) Package dimensions: 16.5 x 12x 4.5cm Carton: 46*35.5*26cm 40 pcs/carton G/W: 11kg N/W: 10kg