Handmade Green Triode Radio Vacuum Tube Hi-speed 4 Ports USB 3.0 HUB. Steampunk/Industrial Style ####### (Tags: Wood Metal Handwork Handcraft Exclusive Unique Best Cool Great Retro Vintage Gadget Device. Idea for Christmas New Year Birthday Present Gift. For Geek Man Him Dad Boy Teen. For Computer Tablet PC Notebook Laptop Mac) Transfers data at rates up to 5Gbps. Electron radio tube was made in USSR in 1986. Supported Standard: USB 1.0, USB 1.1, USB 2.0 , USB 3.0 Work with : Win2000, WinXP, Vista, Windows 7, Windows 8, Mac OS, Linux. Made in Latvia(EU). Shipping to US: 10-15 days.