Gomadic Intelligent Compact AC Home Wall Charger suitable for the RCA M4204 OPAL Digital Media Player - High output power with a convenient, foldable plug design - Uses TipExchange Technology 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 RCA M4204 OPAL Digital Media Player). Advanced state-of-the-art internal circuitry protects the RCA M4204 OPAL Digital Media Player from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. 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 RCA M4204 OPAL Digital Media Player (accurate to 0.1v!) Uniquely engineered in a small, lightweight, and highly portable design, the Gomadic RCA M4204 OPAL Digital Media Player Wall Charger travels easily, saving both space and time. Charger works on power voltage levels worldwide by supporting a wide input range of 100-240v AC / 50-60 Hz.