3.5 inch GPS MP3/4,Ebook,photo viewer Win CE 5.0 system Support ... high quality speaker, Support WAV, MPEG,MPG,ASX,DAT,ASF,WMA,MP3 andWAVBattery: with 1000mAH~1300 mAh built-in Lithium battery DC ... high quality speaker, Support WAV, MPEG,MPG,ASX,DAT,ASF,WMA,MP3 andWAV Battery: with 1000mAH~1300 mAh built-in Lithium battery ...