Amazon.com: Gomadic Hot Sync and Charge Straight USB Cable for The Garmin Nuvi 3490 – Charge and Data Sync with The Same Cable. Built TipExchange Technology : Electronics
Gomadic Intelligent Compact Car / Auto DC Charger suitable for the Garmin Nuvi 3490 - 2A / 10W power at half the size. Uses Gomadic TipExchange Techno - Walmart.com