A2 ECG Smart Watch
Flagship health watch with ECG, body composition and a 2.2" curved display.

Round AMOLED ECG watch with aeronautical aluminium body and 10–15 day endurance.
Available for wholesale distribution and for private-label OEM/ODM customization.
Pricing, MOQ and lead time are confirmed with every quotation. This page shows no list prices.
Key functions, interface highlights and typical usage scenarios for the A3, based on the official English product detail graphics.
Verified specifications from the A3 product specification documents. Items not listed are confirmed at quotation.
| Display | 1.43" round AMOLED, 466 × 466, 2.5D curved glass |
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| Health tracking | ECG + PPG hybrid lead, micro check-up, blood pressure trend, blood glucose trend, heart rate, SpO2, body temperature, sleep HRV and respiratory rate |
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| Sports modes | 100+ |
| Wireless | Bluetooth 5.3 (Bluetooth calling supported) |
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| Compatibility | Android 4.4+ / iOS 9.0+ |
| Companion app | Hband |
| Battery | 300 mAh, magnetic charging (approx. 1–2 hours) |
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| Endurance | 10–15 days |
| Water resistance | IP68 |
| Materials | Aeronautical-grade aluminium body, silicone strap |
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Specifications are based on manufacturer documentation and may vary between production runs. CE, FCC, RoHS and TELEC certification support is available for OEM orders; applicable certifications are confirmed per model and destination market.
Every EngraSun product is available for wholesale distribution and for full B2B customization — from laser-engraved branding to packaging and certification.
Tell us your target market, quantities and customization needs — we reply with a tailored proposal.
MOQ, branding options, certification and app support for the A3, answered for B2B buyers.
Minimum order quantity for the A3 depends on the customization level. Orders based on the existing A3 molds with logo and packaging customization start at lower quantities, while custom industrial design, new tooling or bespoke firmware requires higher volumes. The exact MOQ is confirmed in our quotation.
Yes. The A3 is available for private-label OEM/ODM: laser-engraved branding, custom colours and materials, boot logo, packaging, manuals and certification assistance. Wholesale orders without branding are equally welcome.
Certification assistance covers CE, FCC, RoHS and TELEC. The certifications applicable to the A3 for your destination market are confirmed at quotation.
The A3 works with the Hband companion app. White-label app options for the A3 can be discussed for OEM projects.