| Local Name | 6681 |
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 / 1900 | GSM 850 / 1800 / 1900 - Nokia 6682 for US |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2005, 1Q |
| Status | Discontinued |
| Dimensions | 108.4 x 55.2 x 20.5 mm, 104 cc (4.27 x 2.17 x 0.81 in) |
| Weight | 131 g (4.62 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.1 inches, 35 x 41 mm (~23.4% screen-to-body ratio) |
| Resolution | 176 x 208 pixels (~130 ppi pixel density) | 5-way navi key - Downloadable themes |
| OS | Symbian OS 8.0a, Series 60 2nd Edition |
| Chipset | TI OMAP 1710 |
| CPU | 220 MHz ARM926EJ-S |
| Card Slot | RS-DV-MMC, 64 MB included |
| Internal Memory | 8 MB |
| Primary Camera | 1.3 MP, 1280 x 960 pixels, LED flash |
| Video | Yes |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, monophonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v1.2 |
| GPS | No |
| Radio | No |
| USB | Pop-Port |
| Messaging | SMS, MMS, Email, Instant Messaging |
| Browser | WAP 2.0/xHTML, HTML with .pdf support |
| Java | Yes, MIDP 2.0 |
| Features Summary | Push to talk, MP3/AAC/MP4 player, Predictive text input, Organizer, Voice command/memo |
| Battery | Li-Ion 900 mAh battery (BL-5C) |
| Stand By | Up to 240 h |
| Talk Time | Up to 6 h |
| Colors | Electric Blue, Pearl White |
| SAR US | 0.78 W/kg (head) 0.47 W/kg (body) |
| SAR EU | 0.83 W/kg (head) |
