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| Model | SR03 |
| Size | US 7(Inner diameter 17.4mm; US 8(Inner diameter 18.2mm; US 9(Inner diameter 19mm; US10(Inner diameter 19.9mm; US 11(Inner diameter 20.7mm; US 12(Inner diameter 21.5mm; US 13(Inner diameter 22.3mm; Thickness: 2.7mm； |
| Water proof | IP67 |
| Material | titanium alloy+ resin |
| Color | Silver,Black,Gold |
| Battery Capacity | 18 mah |
| Charging time | 30 Minutes |
| Theory Standby time | 7 days |
| Normal using time | 3-4 days |
| Charging | Magnetic charging, or charging box 200mAh (optional) |
| APP | AT Ring |
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