• 12 months warranty

Model: Ring AIR

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Ultrahuman Ring AIR ® is the world's most comfortable and compact smart ring that monitors your sleep, movement and recovery. Now HSA/FSA eligible.

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Ultra-lightweight and durable: Weighing only 2.4 grams (about 1/11th the weight of a watch), it is made of titanium and has a scratch-resistant coating; it is water-resistant to 100 meters, so you don't need to take it off when showering or swimming.

Three core indices: Daily integrated scores for "sleep," "recovery," and "exercise" provide you with a clear overview of your physical condition.

Exclusive lifestyle tips: Based on your personal data, we calculate your "best time to drink coffee" and provide guidance on your biological clock (such as the best time to sunbathe).

Health prevention and monitoring: Built-in high-precision skin temperature sensor supports women's menstrual cycle tracking and provides nighttime heart rate irregularity warning.

Long battery life: A full charge takes about 1.5 to 2 hours and can last for 4 to 6 days.

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Supported Operating Systems: iOS & Android

Screen Shape: Round

Built-in Heart Rate Monitor: Yes

Battery Life: Approx. 6 days

Step Count: Supported

Calorie Calculation: Supported

Sleep Tracking: Automatic

Water Resistance Rating: 10 ATM

Dimensions: 8 x 2.8 x 8 (mm), Weight: 3.6 - 4.7 grams

Included Accessories: Titanium Alloy + Optical Pulse Measurement (PPG) Sensor

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Ultrahuman • Authorized Goods

• Return and refund are not accept.

• Free shipping to HK/Macau when spending over $500 onwards

• China area shipping fee $130 + Local SF Express

• Two business day shipping. Sent via SF express

• Exchange of defective units purchased in 7 days

• 12 months warranty

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*Photo for reference only