Brand KEYES Model N/A Quantity 1 Color Red + black Material FR4 Features Bluetooth extension board compatible with Bluetooh Bee Specification Folding design makes it easy to use on ARDUINO development board and realize communication between the device and other bluetooth equipment. Application Microcontroller wireless communication board English Manual/Spec https://app.box.com/s/riirv9iy8wigoel1k77i Other Arduino Xbee extension board is design for official Arduino products; hot swapping with 2 Xbee sockets; adding a voltage regulator IC and a switch for Xbee you can keep all the original Arduino lead feet; with this module you can realize communication between two or more Arduino or between Arduino and PC. Keywords A product that works with official Arduino products Packing List 1 x Extension board Datasheet: http://m5.img.dxcdn.com/CDDriver/CD/sku.256314.doc