... (USB2.0 modem: AX88772) converter for Ethernet3G: built in 3G module WCDMA, supports Internet and phone call3G band: GSM 850/900/1,800 ... /1,900 WCDMA 2,100MHzBluetooth: built-in Bluetooth V2.1, EDR class 2GPS: built-in ... .5mm headphone jack, high-quality stereo loud speaker x 2, built-in microphoneMedia files: Audio formats: MP3, WMA, WAV, APE, OGG, ...