The KDC 420 Sled enables diverse mobile AutoIdentification applications to collect barcode and MSR data with various Smartphones and Tablets. KoamTac''s innovative Bluetooth technology and user friendly design allows users to upgrade the smartphone periodically while keeping the KDC 420 Sled main system. A built-in 1200 mAh rechargeable battery can be used as an external power source for smartphones. An optional secondary Bluetooth port provides a seamless connectivity to other Bluetooth peripherals such as mobile printers. KDC 420 Sled comes with FREE KTSync keyboard wedging software and FREE SDK for Android.