According to media reports, some innovators have targeted smart jewelry, and Ear-o-Smart is one of them. The newly established startup launched a project for smart jewellery at Kickstarter.
Ear-o-Smart is a pair of smart earrings that can be connected to a user's smartphone via Bluetooth to monitor the user's heart rate, burn calories and other movements. The Ear-o-Smart earrings are particularly small, and it seems that the ordinary earrings are not much different. The difference is that the former has a built-in sensor. Like most other wearable sports wristbands, this device uses the same PPG technology to measure blood flow to monitor user heart rate. Essentially, when human blood flows through a vein, it is reflected on the LED flash on the Ear-o-Smart and depends on the photodiode to determine the heart beat frequency.
Ravinder Saini, president of BioSensive Technologies and inventor of Ear-o-Smart, said that the human ear is the best place to monitor heart rate because it is less interfered by the movement of the wearer's body and the blood flow is smoother. In addition, Ear-o-Smart also has built-in sensors to track calories in motion and body burns. However, Ear-o-Smart did not introduce specific features in the crowdfunding website.
On the battery side, Saini said he has developed a prototype with a coin-sized battery, but he is also developing a version with a rechargeable battery that can be charged via a USB charging clip. To be sure, although the coin battery provides a long battery life, it must be replaced because it does not meet the size. However, the rechargeable version of Ear-o-Smart can be used for at least 8 hours in a single full charge.
Early supporters can buy a pair of white Ear-o-Smart earrings for $125-$150 (about RMB 765-918). If you want a personalized Ear-o-Smart earring, you can buy $150. Order a full DIY kit.
If Ear-o-Smart is successful, Saini says the company will offer different options and different materials. Saini hopes to ship the finished product to the supporters in June 2015.
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