Mini 10W Car / Auto DC Charger designed for the Mio DigiWalker C310x with Gomadic Brand Power Sleep technology - Designed to last with TipExchange Technology Charger provides a full 10W (2,000mAh) of available current in a small form factor a little over 1 inch long. Flexible, straight cable measure 50 inches in total length. Gomadic TipExchange Technology protects your investment by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for Mio DigiWalker C310x) included with additional tips sold separately) Intelligent circuit provides precise output voltage and resistor configuration specific to the Mio DigiWalker C310x. This ensures battery is safely and efficiently charged without affecting battery longevity. Integrated advanced charging technology protects the device from power surges, overcharging and short-circuiting. Uses latest state of the art advancements in charging and surge suppression technologies to deliver a unique product in an unbelievably micro-sized form factor.