... port: SupportedSoundMicrophone(s): stereoLoudspeaker(s): monoAudio Output: 3.5mmCellular PhoneCellular Networks: GSM850, GSM900, GSM1800, GSM1900, UMTS850 (B5), UMTS900 (B8), UMTS1700/2100 ... ), LTE1700/2100 (B4), LTE1900 (B2), LTE700 (B12), LTE800 (B26)Cellular Data Links: GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-ACall ...