NanoPi NEO Air when using wireless network or Bluetooth, you need to connect the antenna to useCPU Model: Allwinner H3Number of Cores: -coreFrequency: 4*-A7 Up to 1.2GHzMemory RAM: 512MBStorage eMMC: 8GB/32GB-SD Slot: -SD*1 for external storage up to 128GBConnectivity WiFi: 802.11b/gBluetooth: 4.0 dual modeAntenna*1: IPX ConnectorAudio Audio input/output Port: 2.0mm pitch 4-pin headerVideo DVP Camera: 0.5mm pitch 24 pin FPC USB -USB*1: -USB 2.0, OTG & Power In, Type AUSB : 2.54mm pin*2Pin-header GPIO1: 2.54mm spacing 24pin,It includes UART,SPI,I2C,GPIOGPIO2: 2.54mm spacing 12pin,It includes USBx2,IR,SPDIF,I2SSerial Debug Port: 2.54mm pitch 4-pin-headerAudio input/output Port: 2.0mm pitch 4-pin headerLED Power LED(Red)*1STAT LED(Green)*1Others Working Temperature: -20 to 70Power DC 5V/2AMaterial: PCBcolour: As shownPackage Contents:1 x Development Board kitOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.