Gomadic High Output Home Wall AC Charger designed for the Cowon X9 with Power Sleep technology - Intelligently designed with Gomadic TipExchange 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 Cowon X9 (accurate to 0.1v!) 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 Cowon X9). Advanced state-of-the-art internal circuitry protects the Cowon X9 from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. Charger works on power voltage levels worldwide by supporting a wide input range of 100-240v AC / 50-60 Hz. A quality product intended to be the last home/travel charger you ever buy! This product is backed by the Gomadic Lifetime Warranty.