BenQ-Siemens M81 Specifications
| Brand: | BenQ-Siemens |
| Model: | M81 |
| Release Date: | 2006, June |
| Display | |
| Size: | 1.8 inches, 27 x 36 mm, 10.0 cm2 (~20.1% screen-to-body ratio) |
| Resolution: | 132 x 176 pixels, 4:3 ratio (~122 ppi density) |
| Technology: | TFT, 256K colors |
| Camera | |
| Main Specs: | 1.3 MP |
| Main Features: | LED flash |
| Main Video: | Yes |
| Battery | |
| Capacity: | Removable Li-Ion 820 mAh battery |
| Type: | Li-Ion |
| Memory | |
| Expandable: | RS-MMC |
| Body | |
| Dimensions: | 105.3 x 47.5 x 18.4 mm (4.15 x 1.87 x 0.72 in) |
| Weight: | 96 g (3.39 oz) |
| Connectivity | |
| Wifi: | No |
| Bluetooth: | Yes |
| Nfc: | No |
| Usb: | 2.0 |
| Headphone Jack: | No |
| Network: | GSM |
| Colors: | Graphite Black, Steel Blue |