Gomadic High Output Home Wall AC Charger designed for the Motorola H720 Headset 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 Motorola H720 Headset (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 Motorola H720 Headset). Advanced state-of-the-art internal circuitry protects the Motorola H720 Headset from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. Uniquely engineered in a small, lightweight, and highly portable design, the Gomadic Motorola H720 Headset 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.