... 4.0MB/S MLC2.0~3.0MB/SAudio format:MP3,WMABit Rate:MP3:8Kbps320Kbps ,WMA:8-384 KbpsBattery Life: About 5~7HoursLCD ... Display :N/AFrequency Response Range:20HZ~20KHZ Shell Mini Mp3 Specifications Product categoryMP3 Music playercapacity512MB, 1GB, 2GB,4GB,8G, ... or misusage). Customers are responsible for return shipping to us with proper packaging, and then we would be responsible for ...