Due to different product batches, the appearance , which does not affect the use. This expansion board is suitable for Zero 2W, which can be expanded with USB2.0, 100M Ethernet, IR receive, audio out, TVout, power button and other functions through 24Pin connector. Hardware Resource: Ethernet port:100MB USB:USB2.0 * 2 Key:On/Off key * 1, Custom key * 2 Audio:3.5mm headphone jack, audio and TV out Infrared receiver:Infrared receiver tube * 1 PCB:30x65 mm Colour:As Shown Material:PC Package Contents: 1 * Expansion Board 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.