StarTech 4 Port Compact Black USB 2.0 Hub Compact Hi-Speed & Light Weight Design Lithium Ion Battery and volume up and down

and volume up and down

It looks round and looks like a disc

Complete connectivity: A USB 3

hubs and switches in high-density data centers

audio presets including Bass Boost

StarTech 4 Port Compact Black USB 2.0 Hub Compact Hi-Speed & Light Weight Design Lithium Ion Battery and volume up and downThis TAA compliant 4 Port USB 2. 0 Hub connects to one USB 2. 0 port on a Mac or PC computer, adding four USB 2. 0 ports allowing you to maximize the number of high speed USB peripherals connected to your computer. The hub supports cascaded installation with other USB 2. 0 hubs, supporting up to 127 USB 2. 0 device connections a scalable solution for connecting multiple USB devices to a single host computer. The 4 port hub includes a power adapter but