... KHz.·Video:AVI, 3GP/MP4, FLV, MKV, MOV, Support up to 1920x1080 Pixels video play backMail attachment support·Viewable document types ... the web on Wi-Fi, watching video, or listening to music·Up to 8 hours of surfing the web using 3G data ... USB, Micro SD slot·3.5-mm stereo headphone jack·Built-in speaker x 2·Microphone·SIM card tray (Wi-Fi + 3G model ...