Cross-Section Enclosure View
Scale: 15:1 Macro
Physical Chassis & Component Parameters
Ring Size (US)
9.0
Wall Thickness
2.6 mm
Band Width
7.5 mm
Engineering Feasibility HUD
Total Mass
4.8 g
Titanium grade 5
Est. Battery Life
4.2 days
18.0 mAh LiPo
Thermal Dissipation
Nominal
ΔT < 1.2°C at skin
Ergonomic Score
88 / 100
Comfort index
Apple Portfolio Strategy Analysis
Watch Cannibalization
14.5%
Series / SE segment risk
Target Gross Margin
58.2%
BOM model target
Why Apple delays Smart Ring release:
At 2.6mm thickness, battery capacity (18mAh) cannot sustain continuous high-frequency PPG & spatial tracking past 4.2 days without degrading Apple Watch health feature parity.
Ecosystem Friction:
A standalone ring lacks screen real estate for notifications and direct watchOS apps, placing direct margin pressure on $15B/yr Apple Watch sales.
Hardware Spec Summary