| Local Name | W660 |
| Technology | GSM / UMTS |
| 3G Bands | UMTS 2100 |
| 2G Bands | GSM 900 / 1800 / 1900 |
| Speed | Yes, 384 kbps |
| GPRS | Class 10 |
| EDGE | No |
| Announced | 2007, March |
| Status | Discontinued |
| Dimensions | 102 x 46 x 14.5 mm (4.02 x 1.81 x 0.57 in) |
| Weight | 93 g (3.28 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.0 inches (~26.8% screen-to-body ratio) |
| Resolution | 176 x 220 pixels (~141 ppi pixel density) | Wallpapers, screensavers |
| Card Slot | Memory Stick Micro (M2), up to 4 GB, 512 MB included |
| Phone Book | 1000 x 20 fields, Photo call |
| Call Records | 30 received, dialed and missed calls |
| Internal Memory | 16 MB |
| Primary Camera | 2 MP, 1600 x 1200 pixels |
| Video | Yes |
| Secondary Camera | Videocall camera |
| Alert Types | Vibration; Downloadable polyphonic, MP3, AAC ringtones, composer |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.0, A2DP |
| GPS | No |
| Radio | Stereo FM radio with RDS |
| USB | v2.0 |
| Messaging | SMS, MMS, Email, Instant Messaging |
| Browser | WAP 2.0/HTML (NetFront), RSS reader |
| Games | Yes + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | Walkman player 2.0, TrackID music recognition, Predictive text input, Photo editor, Organizer, Voice memo/dial |
| Battery | Li-Ion battery |
| Stand By | Up to 360 h (2G) / Up to 360 h (3G) |
| Talk Time | Up to 6 h (2G) / Up to 6 h (3G) |
| Colors | Record Black, Rose Red, Silk White |
| SAR EU | 1.27 W/kg (head) |
