Amazon's Movers and Shakers page tracks the biggest gainers in sales rank over the last 24 hours, providing interesting and sometimes surprising insights into what's trending among shoppers.
Generally, it looks like shoppers care about security, car accessories, music speakers, and keeping their phones charged. However, if you're interested in sleeping and writing, you'll also find gadgets covering those realms.
See the 10 most useful tech gadgets from Amazon below.
A Wi-Fi video doorbell
This doorbell has a high-definition camera so you can keep tabs on expected and unexpected visitors from your phone, even when you're not at home. It also has full-color night vision and a motion sensor and will record video to your cloud account as soon as the doorbell is pressed or motion is detected.
A sleep aid device
The co-founder of this metronome and light system was a former insomniac who understands the frustrations of being unable to fall asleep. The device, which has two different timed modes, projects a soft blue light onto the ceiling and has you synchronize your breathing with the light pulses.
A Bluetooth sous vide precision cooker
Sous vide cookers cook your food to exact temperatures, so you get evenly cooked meats, fish, and vegetables every time. Bluetooth connectivity means you can track your cooking from anywhere in the house and you don't need to stand in your kitchen watching the pot.
A mini car adapter
You'll never get into your car without this accessory in hand after you see its size and experience its strong charging abilities.
A dash cam
This dash cam is lightweight and easy to install on your dashboard. It automatically starts recording once your engine starts and saves video recording data in case of collisions.
Truly wireless earphones
Stylish and functional, these gold wireless earbuds provide crisp sound and are very comfortable to wear.
A mini Bluetooth speaker
Anker's small speaker delivers surprisingly big sound and can play 15 hours continuously on a single charge. The Bluetooth technology gives it a 66-foot connection range, but it also support micro SD and aux sources.
A wireless charging stand
It's time to toss out all your cords and wall chargers. All you need to do is place your phone on this wireless charging stand to get back to a full battery.
A waterproof Bluetooth speaker
This durable Bluetooth speaker is tough enough to keep up with your outdoor gatherings. It's waterproof and shockproof, so you can bring it out to the pool worry-free.
A smart notebook
Instantly send your handwritten notes to a cloud service like Google Drive or Dropbox, then stick the notebook in your microwave to erase the marking and reuse it. You can keep your notes organized while enjoying the benefits of writing by hand.