new and high quality,buy with confidence! Compatible devices: Printer/Wired Keyabord/Wired Mouse/USB Flash disk (Less than 256G) Attention: Cannot work for USB Camera / webcam Model Number:4USB120M Type:USB Adapter Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Colour:Black Material:iron Package Contents: 1PCS x Transmitter 1PCS x Receiver 1PCS Adapter(Due to different product batches, the appearance , which does not affect the use) 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.