const updateHeaderMetrics = () => { const header = document.getElementById('header'); const rect = header.getBoundingClientRect(); const headerHeight = rect.bottom; document.documentElement.style.setProperty('--header-height', `${headerHeight}px`); }; window.addEventListener('DOMContentLoaded', updateHeaderMetrics); window.addEventListener('resize', updateHeaderMetrics); const header = document.getElementById('header'); const resizeObserver = new ResizeObserver(entries => { for (let entry of entries) { const rect = entry.target.getBoundingClientRect(); const headerHeight = rect.bottom; document.documentElement.style.setProperty('--header-height', `${headerHeight}px`); } }); resizeObserver.observe(header);

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2024 new ET580 smart watch Bluetooth call ECG non-invasive blood oxygen blood oxygen heart rate monitoring AMOLE

**Keyword Subtitle:** "2024 New ET580 Smartwatch | Bluetooth Call Enabled | ECG & Non - invasive Blood Oxygen Monitoring | Heart Rate Tracking | AMOLED Display for All - round Health & Connectivity"

$36.90

Color-

Butterfly buckle

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Sustainably made

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Estimated Delivery：Feb-07 - Feb-11

Vendor by: 1688

SKU: -Butterfly buckle-A00161195

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