Maxon MX-3920 specifications
| Dimensions | 65 x 37 x 22 mm |
| Volume | 52.9 cc |
| Weight | 59 grams |
| Stand-by | 1.2 week |
| Talk time | 3.5 hour |
| Announced | September 2005 |
| Status | No longer available |
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| Clamshell | |
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| Directional key | 4-way |
| Voice dialing | |
|
| Monochrome display | 4 grey scales |
| 8 lines |
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| Vibrating alert | |
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| Dual band | |
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| GPRS | |
| Personal Information Management (PIM) |
| Alarm clock | |
| Calculator | |
| Date and time notation | |
| Phonebook with groups | |
| To-do list | |
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| Games | |
|
| E-mail | |
| Predictive Text Input | T9 |
| SMS | Receive and send concatenated messages |
|
| Polyphonic ringtones | 16-tone polyphonic ringtones |
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| Internal memory | |
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| Synchronisation | SyncML |
| Tethering | |
| WAP | 1.2 |
|
| Battery | User replaceable |
