| Samsung J770 |
 | General |
| Technology | GSM |
| Size | 98.5 x 48.6 x 18 mm |
| Weight | 96 grams |
| Available colors | Grey |
| Display |
| Display diagonal | 2.1” |
| Display resolution | 176x 220 pixels |
| Display type | TFT |
| Number of colors | 262.000 |
| Memory |
| Phonebook capacity | 1000 |
| SMS memory / max. MMS size | 300 / 295 KB |
| Internal memory | 12 MB |
| Memory expandability | microSD |
| Data transfer |
| Frequency bands | GSM 900/1800/1900 MHz |
| GPRS / EDGE | Class 10 (4+1/3+2) / none |
| UMTS / HSDPA | none / none |
| IrDA / Bluetooth | none / 2.0 (A2DP too) |
| WiFi | none |
| USB | 2.0 (proprietary connector) |
| Push-to-talk / RSS | no / no |
| GPS receiver | no |
| Basic functions |
| Profiles | yes |
| Vibra function | yes |
| Built-in handsfree | yes |
| Voice dialing / voice commands | no / no |
| Sound recorder | yes (60 minutes) |
| Alarm clock | yes, also when turned off |
| Predictive text entry | T9 |
| Software |
| Platform | Samsung |
| WAP / HTML browser | 2.0 / yes |
| E-mail client | yes |
| Java | yes, MIDP 2.0 |
| Games | 4 + demos |
| Currency converter | yes |
| Extra software | music recognition |
| Multimedia |
| Main camera | 2 megapixels, fix focus |
| Secondary camera | no |
| Video recording | yes (176 x 144 pixels) |
| Music player | yes |
| Equalizer | yes (presets only) |
| FM radio | yes - RDS |
| Battery |
| Main battery | 880 mAh |
| Standby time | 370 hours |
| Talk time | na |
| Other |
| metal case, stereo headset |
