| Local Name | K660 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 3.6/0.384 Mbps |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2007, November. Released 2008, February |
| Status | Discontinued |
| Dimensions | 104 x 47 x 15 mm (4.09 x 1.85 x 0.59 in) |
| Weight | 95 g (3.35 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.0 inches (~25.3% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~200 ppi pixel density) | Wallpapers, screensavers |
| Card Slot | Memory Stick Micro (M2), up to 4 GB, 256 MB included |
| Phone Book | 1000 entries, Photocall |
| Call Records | 30 received, dialed and missed calls |
| Internal Memory | 32 MB |
| Primary Camera | 2 MP, 1600 x 1200 pixels |
| Video | 320p@15fps |
| Secondary Camera | CIF videocall camera |
| Alert Types | Vibration; Downloadable polyphonic, MP3, AAC ringtones |
| 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, EMS, MMS, Email, Instant Messaging |
| Browser | WAP 2.0/xHTML, HTML(NetFront 3.4), RSS feeds |
| Games | 3 + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | Location services, MP3/AAC/MP4 player, TrackID music recognition, Predictive text input, Photo editor, Organizer, Voice memo |
| Battery | Li-Po 950 mAh battery (BST-33) |
| Stand By | Up to 330 h (2G) / Up to 330 h (3G) |
| Talk Time | Up to 9 h (2G) / Up to 4 h 30 min (3G) |
| Colors | Lime on white, Wine on black, Cyan on black, Silver on black |
| SAR EU | 0.96 W/kg (head) |