XIEFEI R08
XIEFEI Smart Ring R08 User Manual
Brand: XIEFEI
Model: R08
Introduction
The XIEFEI Smart Ring R08 is an advanced wearable device designed to seamlessly integrate into your daily life, providing comprehensive health monitoring and smart functionalities. This manual provides detailed instructions on how to set up, operate, and maintain your Smart Ring R08 to ensure optimal performance and longevity.

Image: The XIEFEI Smart Ring R08, showcasing its sleek black design and internal sensors.
Setup Guide
1. Package Contents
Before you begin, please verify that all items are present in the package:
- XIEFEI Smart Ring R08
- Charging Cable
- User Manual (this document)
- Watch Band (Note: While listed, the primary product is a ring. This may be a generic inclusion for some product lines.)

Image: The XIEFEI Smart Ring R08 shown alongside its charging case, indicating the charging method.
2. Initial Charging
Your Smart Ring R08 comes with a pre-installed 12V battery. For optimal performance, it is recommended to fully charge the device before its first use. Connect the charging cable to the ring's charging port and a compatible USB power source. The ring's indicator light will show charging status.
3. App Installation and Pairing
To unlock the full potential of your Smart Ring R08, download the companion application on your smartphone. The app is compatible with Android 5.1 (or above) and iOS 8.0 (or above) devices. Once installed, enable Bluetooth on your phone and follow the in-app instructions to pair your Smart Ring R08. This will allow for data synchronization and access to all smart features.
Operating Instructions
1. Health Monitoring Features
The Smart Ring R08 is equipped with a high-precision biosensor for continuous health tracking:
- Body Surface Temperature: The ring accurately monitors your body surface temperature in real-time, providing insights into your thermal state.
- Sleep Information: Gain valuable insights into your sleep patterns, including sleep stages and duration, to help improve your rest.
- Heart Rate Monitoring: Continuously tracks your heart rate throughout the day.
- Blood Oxygen Saturation: Measures your blood oxygen levels.
- Female Physiology: Provides tracking for female physiological cycles.
All collected data is analyzed using an AI algorithm for scientific and efficient health management, accessible via the companion app.

Image: A detailed view of the Smart Ring R08's internal biosensors, highlighting the technology used for health monitoring.
2. Smart Touch and Gesture Control
The Smart Ring R08 features intelligent touch functionality, allowing you to control paired smartphones with simple gestures. Through the touch area on the ring, you can perform various operations by touching or sliding, such as controlling music playback or taking photos remotely.
- Remote Photo Control: Shake your finger up and down with the smart ring to control your phone's camera and take photos.
- Personalized Reminders: Utilize the smart touch feature to set and manage personalized reminders for your health goals.

Image: A user demonstrating how the Smart Ring R08 can be used for gesture control, specifically to control a smartphone's camera.

Image: A user interacting with the Smart Ring R08's touch area to control music playback on a smartphone.
3. Water Resistance
The Smart Ring R08 has a water resistance rating of 5ATM, meaning it can withstand pressure equivalent to a depth of 50 meters. This allows for continuous health monitoring even when exposed to water during activities such as washing hands, showering, or swimming. However, it is not recommended for diving or high-pressure water activities.

Image: The Smart Ring R08 being worn on a hand partially submerged in water, illustrating its 5ATM water resistance capability.
Maintenance
1. Cleaning Your Smart Ring
To maintain the cleanliness and functionality of your Smart Ring R08, gently wipe it with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials, as these can damage the ring's surface or sensors.
2. Charging and Battery Life
The Smart Ring R08 offers a battery life of 5-7 days on a single charge. When used with its charging box, the total battery life can extend up to 60 days. Ensure the charging contacts on the ring and the charging case are clean and dry before charging.

Image: A multi-panel image illustrating key features including intelligent touch, body surface temperature monitoring, 5ATM water resistance, and the impressive battery life of 5-7 days, extending to 60 days with the charging box.
Troubleshooting
If you encounter any issues with your Smart Ring R08, please refer to the following common solutions:
- Ring not connecting to app: Ensure Bluetooth is enabled on your smartphone and the ring is charged. Try restarting both the ring (if possible) and your phone.
- Inaccurate health data: Ensure the ring is worn snugly on your finger. Clean the sensors regularly.
- Ring not charging: Check the charging cable and adapter. Ensure the charging contacts on the ring and case are clean and free of debris.
- Short battery life: Reduce the frequency of data synchronization or disable non-essential notifications if applicable.
For persistent issues, please contact XIEFEI customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | XIEFEI |
| Model | R08 |
| Connectivity Technology | Bluetooth |
| Operating System Compatibility | Android 5.1+ / iOS 8.0+ |
| Battery Type | Lithium Polymer (1 x 12V battery included) |
| Battery Life | 5-7 days (up to 60 days with charging box) |
| Water Resistance | 5ATM (up to 50 meters) |
| Special Features | Gesture Control, Lightweight, Multisport Tracker, Notifications, Body Surface Temperature, Sleep Information, Heart Rate, Blood Oxygen, Female Physiology |
| Item Weight | 3.53 ounces |
| Package Dimensions | 3.94 x 3.94 x 1.97 inches |
Warranty and Support
For warranty information and customer support, please refer to the official XIEFEI website or contact the retailer from whom you purchased the Smart Ring R08. Keep your proof of purchase for warranty claims.
Manufacturer: MIGOU
Date First Available: January 5, 2025