Dual Wall / Travel AC Charger compatible with Jabra Extreme - One Charger for up to two devices with upgradeable Gomadic Brand TipExchange Gomadic TipExchange Technology protects your investment by providing a means to change or upgrade your charger by simply swapping the physical charging tip. Jabra Extreme specific tip as well as standard microUSB and Female USB tips are included. Additional tips sold separately. Custom designed advanced circuit provides precision output voltage and current regulation specific to the Jabra Extreme (accurate to 0.1v). The additional charging port is available for simultaneous charging of a secondary device. A full 10W of available charging current (e.g. 2,000mAh) is available for rapid charging. Considerably higher available current compared to standard Jabra Extreme wall chargers. One of a kind transformer is compact with foldable wall adapter, small, lightweight and highly portable. Will save space in both travel bag and wall outlets by charging multiple devices with a single transformer. Integrated fail-safe internal circuitry provides comprehensive protection of all attached devices from power surges, overcharging and short-circuiting.