... E180 E1550 E1630 E1750 E1782 E1820,External 3GVideo Player: AVI, MKV(XVID/px/H.264), ... Player:MP3,WMA,APE,FLAC,OGG,WAV Frequency response: 20Hz to 20000HzInterface: 1*Mini USB 2.0, 1*3.5mm earphone jack,1*DC jack, 1 ... Keyboard, WIFI, Camera, all Card Slot and USB Slot, G-Sensor, Bluetooth, Microphone, Speaker2. ... special function.3. Accessory Test: Battery, USB Cable, Earphone, Charger, TF cardPayment:We ...