Doro 6820. Form factor: Clamshell. SIM card capability: Single SIM. Display diagonal: 7.11 cm (2.8"), Display resolution: 320 x 240 pixels. Rear camera resolution (numeric): 2 MP. Bluetooth. Battery technology: Lithium-Ion (Li-Ion), Standby time (2G): 380 h. Weight: 117 g. Product colour: Black, White