MSDQQTIY 7.0 Smart Ring with LED Screen?5ATM Waterproof??5.3+EDR Technology - 0.1%± Error? Smart Ring for Men and Women to Monitor Sleep, Heart Rate, Silver 13#

Additional Details from the Manufacturer

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More features

• 🥇 【7.0 New Upgrade LED Assist Technology - No Smartphone Needed】 LED touch screen with 300 nit brightness - easy to read even in sunlight. Switch between different values with the touch of a finger, which is very suitable for athletes and people.
• 🔋 【Magnetic Fast Charging - 15 minutes = 24 hours battery life】 HyperCharge 3.0: 15 minutes = 24 hours of use (the charging port has been greatly improved to ensure that sleep detection is needed at night
• 👍 【Compliance with GDPR data security + 24-hour on-site customer service in high quality】 End-to-end encryption according to BSI baseline protection, GDPR compliant: Full data sovereignty – delete server backups with one click.
• 💦 【5ATM+IP68 Double Waterproof - Tested in the North Sea】 Upgraded saltwater resistant and robust material (5ATM+IP68) - tested in the North Sea and used by more than 100,000 consumers worldwide. 99.99% of consumers said it is completely waterproof. It is suitable for swimming, showering, rainy days and other places with water. Whether for swimming or diving or as a waterproof solution for everyday use, it can withstand all demands.