Auro M101. Display resolution: 128 x 64 pixels, Display: CSTN. Data network: GSM, GSM bands supported: 900, 1800, 1900 MHz. Ringer type: polyphonic. Battery technology: Lithium-Ion (Li-Ion), Talk time (GSM): 7 h, Standby time (GSM): 300 h. Weight: 88 g, Width: 44.5 mm, Depth: 11.1 mm