Inspired by a Ryan Reynolds movie (almost certainly the only time you’ll ever hear that) which shows the actor galavanting around the city with nothing but two tiny beads in his ears, Earin’s Olle Linden set out to make those buds a reality.
The primary problem Earin’s creators faced was how to eliminate the last link in the chain. To eliminate that wire Earin utilizes some cutting-edge technology, including a specialized Bluetooth chip which receives the wireless signal from the source in the left earpiece, and then re-transmits it to the right earpiece for fully autonomous stereo sound. The next major obstacle Earin faced was miniaturizing everything to fit into these tiny buds. After automating on-board features like pairing and powering on, Linden’s team went the obvious root for miniaturizing the speakers inside the buds. In order to find a battery that would power the headphones for extended periods, however, the team came up with a more creative solution: they didn’t.
Other clever features for the tiny buds include a silicon “Concha Wing” adapter piece that helps keep the buds in place when under duress, ultrasonically welded covers to create a water-tight seal, and angled ergonomics to keep a tight seal inside the ear.


We’ll have to wait for our own pair before we’ll have any idea as to whether the Earin can create a pleasurable experience on all fronts.
To do so, his Swedish company tackled a host of technological problems along the way, birthing some pretty creative solutions in an attempt to revolutionize the status quo in wireless audio. Almost all ‘wireless’ earphones utilize a tethered, or halo design, which connects the two earpieces together.
That meant reducing all the electronics, cutting out extras like microphones or on board controls, and perhaps most challenging, finding a battery small enough to fit inside that would power the Earins for extended periods. The team chose to employ balanced armature drivers, which were developed to be extremely small for use in hearing aids, and are now often used in high-end in-ear monitors and earphones.
Instead, the team split the load, placing a small battery inside the earbuds that gives a short runtime of about 3 hours, and placing another inside the Bond-style carrying case to double that. However, if you’re convinced by the design, or you simply can’t resist sporting the tiniest wireless buds on the planet, you can pledge at Kickstarter today.


Dubbed the Earin, these miniature wireless ear buds searching for pledges on Kickstarter are designed to do what virtually every other pair of wireless in-ear headphones on the market has yet to accomplish: eliminate all cables in the system to truly cut the cord, once and for all. Usually, one earphone receives the source signal via Bluetooth from your mobile device, and then sends the signal to the partner earpiece over the wire.
The earbuds are always charging while inside their metallic home, and users plug in the case at the end of the day to charge the entire system. As of writing this article, the Earin is in the home stretch, just $12,220 shy of its $242,920 goal, with 37 days left to go.
Apart from the mechanics of wireless delivery in such a small package, we’re a little concerned about the use of single balanced armatures, which have a notoriously tough time reproducing balanced audio, especially in the bass.




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