Traveling for business can mean carrying a lot of heavy gear, but it doesn’t have to be that way. Lenovo’s ThinkPad Stack is comprised of four modular accessories — a wireless router, an external hard drive, a battery pack and a Bluetooth speaker — that magnetically attach to each other, sharing power and data while taking up minimal space on your desk. Though each of the individual pieces works well enough on its own, their premium prices are only justified if you intend to use them together.
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