Profoon SIMPLY. Data network: GSM, N, N, N, GSM bands (primary SIM): 900 MHz. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 750 mAh, Talk time (GSM): 2 h. Weight: 93 g, Width: 53 mm, Depth: 17 mm. Form factor: Bar, Personal info management (PIM): Calculator, Stopwatch, Phonebook capacity: 200 entries. Power requirements: 3.7V, Specific absorption rate (SAR) value: 0.583 W/kg