Feature: ?Interface USD 2.0 for faster music and data transfers (USB 1.1 compatibe) ?FM Radio ?Voice Recorder ?Line-In MP3 Recording ?TXT File Reader ?OLED display ?Lyric Synchronous Display ?7 EQ Modes + SRS WOW audio effect ?Support Window 98 or above ?Low power consumption, Internal Li-battery for up to 8 hours playback 稴upport muti languages: Specifications ?Memory Capacity: 128MB/ 256MB/ 512MB ,1 G available 稭usic Format: MP3/ WMA /ASF 稴/N ratio: 90dB