Who needs mouse input or touch controls when you can just wave your finger at the screen like it were something out of the ...

Inside the Arduboy is an nRF51822 – a chipset with Bluetooth Low ... notifications from a phone, with the ability to reply to these notifications. The enclosure for the ring is rather interesting.

The prototype Bluetooth ring contains a small camera which sends an image of the selected device to the user's phone. The user can control the device clicking a small button or -- for devices with ...

The new Itel Smart Ring is the brand's first and possibly the cheapest smart ring you can get in the market today.