NanoPi NEO Air when using wireless network or Bluetooth, you need to connect the antenna to use CPU Model: Allwinner H3 Number of Cores: -core Frequency: 4*-A7 Up to 1.2GHz Memory RAM: 512MB Storage eMMC: 8GB/32GB -SD Slot: -SD*1 for external storage up to 128GB Connectivity WiFi: 802.11b/g Bluetooth: 4.0 dual mode Antenna*1: IPX Connector Audio Audio input/output Port: 2.0mm pitch 4-pin header Video DVP Camera: 0.5mm pitch 24 pin FPC USB -USB*1: -USB 2.0, OTG & Power In, Type A USB : 2.54mm pin*2 Pin-header GPIO1: 2.54mm spacing 24pin,It includes UART,SPI,I2C,GPIO GPIO2: 2.54mm spacing 12pin,It includes USBx2,IR,SPDIF,I2S Serial Debug Port: 2.54mm pitch 4-pin-header Audio input/output Port: 2.0mm pitch 4-pin header LED Power LED(Red)*1 STAT LED(Green)*1 Others Working Temperature: -20 to 70 Power DC 5V/2A : PCB colour: As shown Package Contents: 1 x Development Board kit Only the above package content, other products 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.