1. New and high quality 2. Designed fashionable and cleverish appearance， fine workmanship 3. High speed and ultra fast 4. Plug and play directly 5. Separated earphone jack and power jack makes a convenient operation and faster transfer rate Specifications: 1. Waterproof: 3m waterproof 2. Audio Format: MP3， WMA， VBR， AAC 3. Memory Capacity: 4GB 4. System Support: Windows ME， 2000， XP， Vista 5. PC Interface: USB 2.0 6. Power: Built-in 3.7V Lithium rechargeable battery 7. Playback Time: Up to 12 hours 8. Frequency Range: 87.5-108.5MHz 9. Dimensions: 4.92 x 5.12 x 0.87" / 12.5 x 13 x 2.2 cm (L x W x H) 10. Weight: 3.99 oz / 113 g 11. Color: Red Mercury-free 1 YEAR WARRANTY Package Content: 1 x MP3 player 1 x Earphone 1 x USB transmission line 1 x Maual