Classic Straight USB Cable suitable for the Garmin Nuvi 300 300T with Power Hot Sync and Charge Capabilities - Uses Gomadic TipExchange Technology - Walmart.com
Amazon.com: PK Power USB PC Computer Data Cable Cord Lead for Garmin Nuvi 300 310 350 360 370 465T : Cell Phones & Accessories
Amazon.com: Ramtech GPS Car Suction Cup Mount and 65mm Diameter Dashboard 3M Adhesive Disk Pad Replacement Mounting Kit, Compatible with Garmin Nuvi 300 310 350 360 370, SCDSK : Electronics