With the ubiquity of smartphone technology and tablets, there’s really a little bit of gadget geek in every person on your holiday gift shopping list. Whether your loved ones’ wider interests lie in music, photography, gardening or cycling, we’ve got you covered for green gadget gift ideas for the upcoming season. From a reusable cardboard smartphone amplifier at just $10 — perfect for the office Secret Santa or hard-to-buy-for teenagers — to a splurge on an electric bicycle that will knock somebody’s socks off, there’s something on the list for every budget too. Click through to see them all.

GREEN GIFTS FOR GADGET GEEKS >