.... please .

accessory

.USB cable

various origin

.CPU: Rockchip RK3328, Quad-core Cortex-A53
.DDR4 RAM: 1GB
.Network.
 Internal 10/100/1000M Ethernet Port x 1
 USB3.0 converted 10/100/1000M Ethernet Port x 1
.USB2.0 Host: Type-A x1
.MicroSD Slot x 1
.MicroUSB: power input and USB Slave
.PC Size: 61 x 60 x 27.5mm
.Power Supply: DC 5V/2A

reference

 https://wiki.friendlyelec.com/wiki/index.php/NanoPi_R2S