The Smart Ring R8 is an elegant and discreet ceramic ring that combines advanced health monitoring features with a modern design. Available in various sizes, it ensures a perfect fit for every user.
Health Monitoring
Equipped with high-precision sensors, the Smart Ring R8 offers advanced health tracking, including heart rate, blood oxygen levels (SpO2), and sleep quality. The device synchronizes with the SmartHealth app to provide personalized analysis and health recommendations.
Elegance and Comfort
Crafted from premium materials such as nano-ceramic coatings and antibacterial stainless steel, the ring is extremely comfortable, lightweight, and compact—perfect for all-day wear. Additionally, the charging case features a convenient carrying lanyard.
Durability and Longevity
The ring is built to last with an IP68 waterproof rating, making it resistant to water and dust. The efficient battery supports up to 7 days of active use, and the included charging station ensures quick and convenient power-ups.
Size and Versatility
This unisex product is designed for both men and women. With multiple sizes available, everyone can find their perfect fit. Its discreet design and smart features make it the ideal choice for active individuals, professionals, and tech enthusiasts.
Additional Benefits
The Smart Ring R8 is a certified safe product, meeting CE and RoHS standards. The set includes a comprehensive user manual translated into multiple European languages.
Specifications:
Material: Ceramic casing, Stainless steel
Weight: Approximately 6 grams
Ring Battery: 20mAh (5–7 days of usage)
Charging Station: 400mAh capacity (Full charge in 30 minutes)
Waterproof Rating: IP68
Connectivity: Bluetooth 5.0
Compatibility: Android 6.0+, iOS 11.0+
App Support: SmartHealth (available on App Store and Google Play)
Available Sizes (Inner Diameter): 15.4mm, 18mm, 20mm, 22mm
Core Functions: Heart rate monitoring, Sleep tracking, Blood oxygen (SpO2), Calorie counting, Pedometer (Steps)
Certifications: CE, RoHS
Smart Ring R8 - Intelligent Ceramic Ring + Charging Station, 20mm Size - Black
At Sainco Shop, we strive to provide a fast and reliable shopping experience. Please read our policies regarding the delivery of your orders and the process for returning items.
1. Shipping Information
We ship both within Bulgaria and internationally across Europe.
Domestic Shipping (Bulgaria):
Carriers: Orders are shipped via Speedy or Econt.
Delivery Time: We offer fast delivery within 24 hours from the time the order is placed (subject to business days and stock availability).
International Shipping (Outside Bulgaria):
Carrier: International shipments are initially handled by Speedy, which then partners with the most efficient local couriers based on your specific destination address.
Delivery Time: Shipping times vary depending on the destination country. You will receive tracking information once your order is dispatched.
2. Returns and Right of Withdrawal
If you are not satisfied with your purchase, you have the right to return the product within a maximum of 15 days from the date of delivery.
Return Conditions:
To be eligible for a refund, the following conditions must be met:
Items must be returned in their original packaging.
Products must be untampered with, showing no signs of wear or use.
The product must be in resalable condition.
Return Shipping Costs:
Customer Responsibility: The cost of return shipping is covered by the customer.
Exceptions: If the product is received non-functional (defective) upon arrival, Sainco Shop will cover the return shipping costs.
3. Return Instructions
All returns must be sent to our central warehouse at the following address:
B2B CONSULTING LTD (sainco.shop)
Ul. Tsar Petar 9
1463 Sofia
Bulgaria
We recommend using a trackable shipping service, as we cannot guarantee that we will receive your returned item.
4. Refunds
Once your return is received and inspected, B2B CONSULTING LTD will process your refund.
Refund Amount: The total amount paid at the time of purchase will be refunded, excluding original shipping costs.
Processing Time: Refunds will be issued within a maximum of 15 days from the date we receive the returned goods at our warehouse.
Method: The refund will be credited back to the original payment method used during the purchase.
5. Contact Us
If you have any questions regarding your shipment or need to initiate a return, please contact our support team at:

