The Etekcity ESF-551 Smart Fitness Scale brings precision and intelligence to personal health monitoring.
Beyond basic weight tracking, it delivers 13 biometric measurements and syncs effortlessly with health apps, making it a powerful tool for anyone serious about fitness and wellness.
Key Features of the Etekcity Smart Scale
The ESF-551 combines modern design with impressive technical capabilities.
- Build and Dimensions: A sleek tempered glass platform (11 × 11 × 1.1 inches / 28 × 28 × 2.9 cm) with rounded corners and anti-skid rubber feet for stability.
- Capacity and Precision: Supports up to 400 lbs (180 kg / 28 st). Measures in 0.02 kg (0.05 lb) increments up to 10 kg and 0.05 kg (0.1 lb) increments above that.
- Convenience: Step-on activation, automatic shut-off, and easy switching between pounds, kilograms, and stones. Powered by three included AAA batteries.
This balance of precision, ease, and thoughtful design makes it suitable for daily use by a wide range of users.
Comprehensive Body Composition Tracking
What sets this scale apart is its ability to measure 13 health metrics using bioelectrical impedance analysis (BIA).
- Weight, BMI, and body fat percentage
- Muscle mass, bone mass, body water percentage, visceral fat
- BMR (Basal Metabolic Rate), metabolic age, and protein levels
These insights create a holistic picture of your health. However, BIA is influenced by hydration, body temperature, and timing. For consistency, weigh yourself at the same time daily—ideally in the morning before eating or drinking.
Smart Connectivity and App Experience
Bluetooth connectivity links the scale to the VeSync app, where data is stored and visualized.
- Unlimited profiles: Automatically recognizes and assigns measurements to the right user—ideal for families.
- App integrations: Syncs with Apple Health, Google Fit, Fitbit, and Samsung Health.
- Trend analysis: Focuses on long-term patterns rather than daily fluctuations, keeping motivation high.
This ecosystem turns raw data into meaningful insights that align with broader health goals.
Specialized Modes for Every User
The Etekcity ESF-551 includes versatile modes tailored to different needs:
- Zero-Current Mode: Safe weight-only mode for users with pacemakers, medical implants, or during pregnancy.
- Baby Mode: Weigh infants accurately by subtracting parental weight while holding the child.
- Light Object Mode: Ideal for weighing pets, luggage, or items as light as 100 g (0.1 kg).
Each mode is accessed through the VeSync app with clear step-by-step guidance.
Pros and Potential Limitations
Like all smart health devices, the ESF-551 comes with both advantages and trade-offs.
Pros
- Tracks 13 biometric parameters for comprehensive health insights
- High accuracy in weight measurement
- Sleek, durable tempered glass design
- Specialized modes for babies, pets, and light objects
- Seamless app integration with major health platforms
Limitations
- BIA metrics are estimates, not medical-grade measurements
- Requires proximity to a smartphone for Bluetooth syncing (no WiFi support)
- Glass surface shows fingerprints and smudges easily
- Placement on soft or uneven surfaces reduces accuracy
- Certain app features restricted for users under 18
Making the Most of Your Etekcity Smart Scale
To maximize accuracy and usefulness:
- Weigh yourself daily under similar conditions (morning, post-bathroom, pre-meal).
- Track trends over weeks instead of reacting to daily fluctuations.
- Place the scale on a hard, flat surface away from moisture or extreme temperatures.
- Clean the glass surface regularly with a damp cloth.
- Use biometric data as indicators, not medical diagnoses—consult a healthcare professional for significant changes.
The scale comes with a one-year limited warranty, with customer support available through Etekcity.
Why This Smart Scale Stands Out
The Etekcity ESF-551 is more than a digital scale—it’s a health management companion. By providing weight and 12 additional metrics while syncing to your preferred apps, it supports every stage of a wellness journey.
Whether you’re focused on weight loss, strength training, or long-term health monitoring, this device blends accuracy, versatility, and smart connectivity into one package.
Available on Amazon, it’s an accessible option for households that want professional-style health tracking at home.

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