Orii
Tech specs 
MaterialScratch-proof anodized aluminum finish which is available in four colors: sandblasted silver, metallic dark gray, matte black.
Battery life1.5 hours of continuous listening time (50 mAh battery)
RechargeableYes
Water resistanceIPX7 (splashproof)
SensorsDual Bluetooth 4.0 BLE 3.0, gyroscope, custom tuned bone conduction actuator, dual noise cancelling microphones
Functions 
Activity trackingNo
NotificationsThe ring actually enables you to make calls, send texts, create reminders and calendar appointments simply by tapping on your ear.
SOS buttonNo
OtherAccess to Siri and Google Assistant
Links 
Affiliate link*Kickstarter
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