Gomadic Multi Port AC Home Wall Charger designed for the Polaroid ID450 - Uses TipExchange to charge up to two devices at once Gomadic TipExchange Technology protects your investment by providing a means to change or upgrade your charger by simply swapping the physical charging tip. Polaroid ID450 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 Polaroid ID450 (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 Polaroid ID450 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. Charger supports wide range of input voltages (100 - 240v AC / 50 - 60 Hz ) to provide compatibility with worldwide power grids