Auro Compact 6321. Display diagonal: 45.7 mm (1.8 "), Display resolution: 160 x 128 pixels, Display: CSTN. Compatible memory cards: microSD. Data network: GSM, GSM bands supported: 900, 1800 MHz. Ringer type: polyphonic. Battery technology: Lithium-Ion (Li-Ion), Talk time (GSM): 10 h, Standby time (GSM): 200 h