QflFdetall S9 NFC Smart Watch 49mm 2.2in - Fitness & Swim Ready

In this review of the QflFdetall S9 NFC Smart Watch, the bottom line is simple: this is a budget-friendly, full-featured fitness smartwatch for people who want call and music convenience plus reliable health tracking. The reviewer found the large 2.2in AMOLED HD screen and Bluetooth calling especially useful for hands-free moments, while the mix of 20 sport modes, continuous heart rate and blood oxygen monitoring serve everyday workouts and swim sessions equally well. For anyone who wants a versatile wearable without a premium price, the S9 delivers the essentials in a robust package.

Key Features

• Large HD Screen: The 2.2in AMOLED fully laminated display presents clear, high-sensitivity color visuals so information and watch faces are easy to read at a glance.
• Bluetooth Calling and Music: Built-in BT5.0 lets the watch make and receive calls, play Bluetooth music and show call history for hands-free convenience when your phone is not in reach.
• Water Resistance for Swimming: With IP68 and waterproofing rated up to 50 meters, the S9 can be worn while swimming and in heavy rain without worry.
• Comprehensive Health Tracking: Continuous heart rate, blood oxygen and sleep stage tracking plus female cycle monitoring keep daily wellness metrics available in the companion app.
• Long Battery Life: A 200mAh battery provides multi-day use-up to 10 days in regular use and extended standby-reducing the need for daily charging.
• Customizable Watch Faces: Seventy built-in watch interfaces and the option to use personal photos let users tailor the display to their style.

Who It's For

The S9 is aimed at active men and women who want a capable fitness tracker with smartwatch conveniences like calls, music control and message alerts without paying for a high-end model. It fits swimmers, runners and gym-goers who value heart rate, blood oxygen and multi-sport recording in one device.

It may be less suitable for users who need advanced third-party app ecosystems, developer-driven integrations, or medical-grade sensors. Buyers who require consistent multi-language app support beyond the listed languages should verify compatibility with their phone before purchase.

Pros & Cons

Pros

• Large AMOLED HD screen and customizable faces make daily use pleasant and visually clear.
• Bluetooth calling, contact storage and music playback add true smartwatch convenience.
• Robust fitness features including 20 exercise modes, heart rate, SpO2 and sleep tracking cover most training needs.
• Strong water resistance and solid battery life reduce practical friction for active lifestyles.

Cons

• App experience depends on the HryFine app and may not match premium platforms in polish or third-party integrations.
• Documentation and language display choices should be checked by non-English users for complete support.

Specifications

Screen	2.2in AMOLED HD fully laminated, 320x385
Bluetooth	BT5.0
Battery	200mAh, up to 10 days use, 35 days standby
Waterproof Rating	IP68 / waterproof to 50 meters
Health Sensors	Heart rate, Blood Oxygen (SpO2), Sleep tracking
Exercise Modes	20 sport modes
App	HryFine (multi-language support)

Our Verdict

The QflFdetall S9 NFC Smart Watch is a strong value for users who want clear display, Bluetooth calling and complete day-to-day health metrics without a premium price. Its swim-ready build, long battery life and ample sport modes make it a practical choice for active people seeking a single wearable for workouts and everyday convenience.

Frequently Asked Questions

Is the S9 safe to wear while swimming?
The watch has an IP68 rating and is waterproof to 50 meters, so it is suitable for swimming and water exposure in typical conditions.

Can the S9 make and receive phone calls?
Yes, the watch uses BT5.0 to handle incoming and outgoing calls, show call history and store contacts when paired to a phone.

Which app is required and does it support English?
The companion app is HryFine and it supports multiple languages including English, Simplified Chinese, Spanish, French and others listed in the product details.