Gomadic High Output Home Wall AC Charger designed for the Sony Walkman NWZ-E463 E465 E473 E474 E475 with Power Sleep technology - Intelligently designed with Gomadic TipExchange Advanced state-of-the-art internal circuitry protects the Sony Walkman NWZ-E463 E465 E473 E474 E475 from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. Power Sleep"" feature reduces vampire power draw 99%. Charger will consume less than 0.1W of power when in ""dormant state"" (e.g. not connected to the Sony Walkman NWZ-E463 E465 E473 E474 E475). Gomadic Powerful High Wattage wall charger for home or travel use. Customized circuit design is based on the latest in power regulation and is tailored to the precise output voltage and resistor ID requirements of the Sony Walkman NWZ-E463 E465 E473 E474 E475 (accurate to 0.1v!) TipExchange Technology protects your investment, by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for Sony Walkman NWZ-E463 E465 E473 E474 E475) included with additional tips sold separately) Foldable wall outlet plug makes for a very compact, portable design. Advancements in power circuit miniaturization now gives you an amazingly powerful charger for its size.