Client: Confidential AI Company
Location: Illinois, United States
Time: July 2025 - Nov 2025
Deliverables:
0-1 Wearable Product Design
Rendering the Scenario
0-1 App Development
Design Team:
Yihao Kong - Interaction Design Lead
Yue Yu - Industrial Design Lead
Product Defintion
Based on the client's needs
- Designed for modern urban women, this AI-powered smart bracelet helps user understand sleep, stress, and recovery through calm, personalized insights—without demanding attention.
- Worn effortlessly from morning meetings to late dinners, it blends invisible sensing with explainable AI to reflect your body’s rhythm, not generic averages.
No need to have an interface for the bracelet
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- Jewelry-first by design, the bracelet features a long-lasting smart core paired with polished metal, soft-touch silicone, or premium finishes—so one device fits every occasion.
- Swap styles as occsasions changes, while the intelligence stays with you, quietly supporting everyday wellness. Data recorded and reflected within the App.
Research - Key Insights
​Women adopt wearables for health monitoring
- Large surveys show wearables adoption rising, with women more likely than men to use wearables (e.g., in a US national survey in 2022, female gender was significantly associated with higher wearable use).
- Wearable devices track multiple health signals such as heart rate, sleep patterns, steps, and physiological metrics, and users increasingly expect actionable health insights from this data.
Women value stylish smart devices that combine function + form
- Smart jewelry products specifically designed for women are gaining market attention because they integrate aesthetic appeal with wearable technology. The academic literature identifies that women seek devices that are both stylish and functional, especially when wearables cross into the fashion/jewelry category rather than just utilitarian tech.
- Research examining consumer perceptions of wearable products highlights that esthetic attributes contribute to positive affect, influencing how users feel about the product and their confidence using it, beyond pure functionality. In other words, the look and feel of the device matters psychologically and behaviorally.
Target User - User Persona
Who she is: Urban professional women aged 25-35, fashion enthusiasts, health lifestyle seekers.
Her pain points: Busy with work yet craving health management, focuses on appearance and outfit matching, needs tech products that balance functionality and aesthetics.
Her scenarios: Office, gym, yoga studio, social gatherings, outdoor jogging.
Product Design Philosophy:
- This bracelet is not an arbitrary form; it is constructed on a rigorous system of geometric proportions, primarily the Golden Ratio (Φ ≈ 1.618) and the √2 rectangle (≈ 1.414:1).
- The Golden Ratio introduces a sense of natural harmony and refined elegance, while the √2 rectangle—known for its ability to subdivide infinitely while preserving proportion—adds rational order and structural clarity. Together, they create a balance between organic beauty and mathematical logic.
- The overall silhouette aligns with the golden spiral and geometric grids, allowing the opening and tapering of the bracelet to follow natural visual rhythms, resulting in a calm, elegant, and comfortable perception.
- Each surface is defined through precise geometric construction rather than decoration, expressing a design language of precision, restraint, and intention.
- The bracelet adopts a faceted, gem-cut geometry, composed of flat planes that interact with light to produce subtle variations of reflection, echoing gemstone cutting principles and the angular façades of contemporary urban architecture. This reinforces a distinctly modern, metropolitan character.
- An open-ended circular structure enhances both wearability and adjustability while elevating the piece with a jewelry-like, light-luxury presence. The wedge-shaped, gem-inspired ends give the bracelet the quality of a miniature urban sculpture—refined, confident, and architecturally expressive.
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Color Strategies: Example Mood Board
Core Colors
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Champagne Gold (light gold PVD): Best conveys a light-luxury aesthetic, highly flattering across skin tones, and especially friendly for concept stores and buyer-curated retail.
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Cocoa Mocha Brown: Aligned with the 2025 Pantone Color of the Year, expressing a “quiet luxury” sensibility with strong appeal for autumn and winter styling.
Premium Limited Editions (20–30%)
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Powder Pink / Icy Blue (used as subtle inlays or strap accents): In line with 2025 Fall/Winter color trends, balancing professional wearability with soft femininity.
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Rose Gold (light pink-gold tone): A perennial favorite in women’s everyday jewelry, pairing naturally with nude and cream color palettes.
Final Product Images
for sport scenario
for everyday business scenario
for street fashio scenario
for high end banquet scenario
wireless charger
APP - User Flow
Low Fidelity Wireframes
Final Design
Demo Video:
Take a Step Back and Reflect:
- When designing this interface, I wanted it to feel futuristic yet emotionally calm—something that fits naturally into the rhythm of an urban woman’s daily life. I deliberately used a dark, immersive visual language with soft gradients and subtle glows to create a sense of quiet sophistication.
- Rather than feeling clinical or overly “techy,” the interface treats the bracelet as a refined lifestyle object, almost like jewelry, which aligns with how many urban women express identity through the objects they wear.
- Ease of use was a core priority. I designed the experience so that key health insights can be understood at a glance, without requiring users to dig through complex data or menus. With the design and psychological principles of Gestalt and Miller's Law in mind.
- The pairing process, device management, and daily health tracking are all streamlined and intuitive, acknowledging that urban users often interact with the app in short, fragmented moments. The goal was to make the experience feel supportive and effortless, not demanding or overwhelming.
- AI plays a critical but subtle role in this design. Instead of presenting raw metrics, I focused on using AI to interpret health data—such as sleep quality, stress levels, activity, and autonomic balance—and translate them into clear, meaningful signals.
- From my perspective, this shift from data collection to intelligent interpretation is what makes the product truly valuable. It allows the bracelet to act as a quiet companion that helps users better understand their bodies, while maintaining a sense of elegance, trust, and emotional reassurance.