Nokia 2610

: The device included a built-in handsfree speakerphone and support for MP3 ringtones.

The Nokia 2610 was powered by a BL-5C battery—one of the most popular batteries in history. While modern phones struggle to last a full day of heavy use, the 2610 could easily last 4 to 5 days on a single charge. If you were a light user, you could go a week without seeing a charger. nokia 2610