MP3 player sunglasses,support mp3,wma sunglasses,usb driver,1GB,2GB,4GB memory extended Support MP3,WMA format USB interface: USB ... adapter Recharge time: about 2 hours. The Sunglasses MP3 Player will be turn off when suspended after ... the state for more than 30 seconds or end MP3 broadcast.Capacity of Memory : Maximun to 4GB ... 1USB cable*1Introduction*1Car Charger*1 MP3 sunglasses,1GB/2GB/4GB,DS-201