| Brand: | BenQ-Siemens |
| Model: | EF91 |
| Release Date: | 2006, February |
| Size: | 2.0 inches, 30 x 40 mm, 12.4 cm2 (~29.0% screen-to-body ratio) |
| Resolution: | 240 x 320 pixels, 4:3 ratio (~200 ppi density) |
| Technology: | TFT, 256K colors |
| Main Specs: | 3.15 MP, AF |
| Main Features: | LED flash |
| Main Video: | Yes |
| Selfie Specs: | VGA videocall camera |
| Capacity: | Removable Li-Ion 1000 mAh battery |
| Type: | Li-Ion |
| Expandable: | microSD (dedicated slot) |
| Dimensions: | 92 x 46.5 x 23.5 mm, 86 cc (3.62 x 1.83 x 0.93 in) |
| Weight: | 100 g (3.53 oz) |
| Wifi: | No |
| Bluetooth: | 1.2, A2DP |
| Nfc: | No |
| Usb: | Proprietary |
| Headphone Jack: | No |
| Network: | GSM / HSPA |
| Colors: | Arctic Silver |
