Telfort GS101. Display diagonal: 38.1 mm (1.5 "), Display resolution: 128 x 128 pixels, Display: LCD. Data network: EDGE, GPRS. USB version: 2.0. Ringer type: polyphonic. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 950 mAh, Talk time (GSM): 10 h