inputs.text: gps works well compact size - bought holux use aokatec bluetooth adapter geologging nikon cameras holux compact great battery life acquires satellite fixes quickly sleep function conserve cameras battery life different led lights make easy see status holux monitor charging battery level bluetooth effective use bluetooth device holux used along netbook access full range services lithiumion battery charges using usb connection no wall adapter needed overseas not need power converter either holux makes easy download install updates improve performance holux unlike gps units bought prefer deal manufacturers issue updates continue serve customers long warranty