| General | |
| Manufacturer: | Sony Ericsson |
| Model: | K660i |
| Year: | 2008 |
| Capacity battery (MAh): | 950 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
47 x 104 x 15 |
| Weight (g): | 95 |
| Processor | |
| Memory | |
| Read-only memory (ROM) (MB): | 32 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 850, GSM 900, UMTS 2100 |
| Bluetooth: | 2.0 |
| Other: | EDGE, GPRS, HSDPA |
| Multimedia | |
| Screen Size: | 2 |
| Screen Resolution (px): | 240 x 320 |
| Screen type: | TFT |
| Rear camera (Mp): | 2 |
| Speaker: | mono |
| Other: | FM-radio |
| Management and input | |
| Buttons: | numerical keyboard |
| Extension | |
| Additionally | |
| Operation time: (according to the manufacturer) |
4.5 hours of talk time, 330 hours of standby time. |