Raspberry Pi 2 + X300 Full Function Expansion Board +DuPont Line + Switch Line<br>Description:<br>X300 Raspberry Pi Expansion Board Adds Bluetooth， Microphone input， stereo audio output， Wi-Fi， RTC， IR receiver， SATA and more.Key features of X300 expansion board:Input Voltage: DC 6V to 21V Storage: The SATA port allows you to connect SATA devices to your Raspberry Pi.Audio: 3.5mm MIC in jack， 3.5mm stereo audio jack， SPDIF output， audio IO connector (Microphone input and stereo audio amplifier 3.3W x 2)Wireless: Wi-Fi (IEEE 802.11b\/g\/n) with antenna， IR sensor (38KHz)， Bluetooth serial communicationUSB: Self-powered USB hub with 3 portsRTC: Based on DS3231SN with included CR2032 batteryI\/Os: Power output connector， headers to access camera connector on top of the Raspberry PiMisc: DIP switch to remove connection from RPis pin header<br>Package included:<br>1 x Expansion board (Includes 1 x CR2032 battery)1 x Raspberry Pi 21 x Power Adapter Switch Cable1 x SATA hard disk data cable