{"product_id":"sr08-smart-ring-touch-display-heart-rate-spo2-5atm-waterproof-bluetooth","title":"SR08 Smart Ring – Heart Rate, SpO2, Sleep \u0026 5ATM Waterproof","description":"\n\u003ch2\u003eSR08 Smart Ring — Your All-Day Wellness \u0026amp; Fitness Companion\u003c\/h2\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eSR08 Smart Ring\u003c\/strong\u003e, a sleek and lightweight wearable crafted from stainless steel that packs powerful health monitoring and gesture control features into a ring that weighs just 2.5g. Whether you're tracking your workouts, keeping an eye on your nightly rest, or simply want smarter control of your phone — the SR08 does it all from your finger.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTouch Display Screen\u003c\/strong\u003e — Intuitive gesture-tap interface lets you cycle through stats directly on the ring's built-in display, no phone needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeart Rate Monitoring\u003c\/strong\u003e — Triple-tap to activate the optical heart rate sensor (Tianyi 3918) for real-time readings right on your finger.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlood Oxygen Tracking (SpO2)\u003c\/strong\u003e — Four taps display your blood oxygen saturation level so you can stay informed during activity or rest.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSleep Monitoring\u003c\/strong\u003e — Five taps show last night's total sleep duration, helping you build better rest habits over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStep \u0026amp; Activity Tracking\u003c\/strong\u003e — Counts steps, estimates distance, and calculates calories burned across multiple sport modes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5ATM Waterproof\u003c\/strong\u003e — Rated to 50 metres depth, so you can wear it swimming, diving, or snorkelling without a second thought.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGesture Control\u003c\/strong\u003e — Wave to snap a photo or scroll through content on supported apps — hands-free convenience at its finest.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Connectivity\u003c\/strong\u003e — Syncs wirelessly with Android 9.0+ and Apple iOS 10.0+ via the companion app (scan the QR code in the manual to download).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16–20 Day Standby \/ 3–4 Day Active Battery Life\u003c\/strong\u003e — 16mAh battery charges fully in about 2 hours (use a standard ≤1A charger — no fast\/high-power chargers).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; FCC Certified\u003c\/strong\u003e — Meets international safety and radio-frequency standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in Black, Silver \u0026amp; Gold\u003c\/strong\u003e — Sizes 8 through 13 (18.2mm – 22.2mm inner diameter).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSize Guide\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eInner Diameter\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e18.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003e19.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e19.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e20.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e21.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e22.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eQuick Tap Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 taps\u003c\/strong\u003e — Steps display\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 taps\u003c\/strong\u003e — Heart rate reading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 taps\u003c\/strong\u003e — Blood oxygen (SpO2) reading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5 taps\u003c\/strong\u003e — Sleep duration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6 taps\u003c\/strong\u003e — Battery level\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle tap \/ sync\u003c\/strong\u003e — Current time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eCharge the ring fully upon first receipt — battery may be low after transit.\u003c\/li\u003e\n  \u003cli\u003eHealth data is intended for general reference only; always consult a qualified medical professional for clinical health decisions.\u003c\/li\u003e\n  \u003cli\u003eDo \u003cstrong\u003enot\u003c\/strong\u003e use a fast charger or high-power charger — use a standard ≤1A adapter only.\u003c\/li\u003e\n  \u003cli\u003eScan the QR code in the included manual to download the companion app before first use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eExplore More Smart Wearables \u0026amp; Accessories\u003c\/h3\u003e\n\u003cp\u003eLooking for more ways to track and enhance your active lifestyle? Check out our \u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-poster-inspirational-quote\"\u003e\"1% Better Every Day\" Motivational Wall Poster\u003c\/a\u003e to keep your goals front and centre, or browse our \u003ca href=\"\/products\/better-days-are-coming-motivational-canvas-wall-art-print\"\u003e\"Better Days Are Coming\" Motivational Canvas Print\u003c\/a\u003e for an inspiring workspace upgrade.\u003c\/p\u003e\n\n\u003cp\u003eFor more on wearable fitness trackers and how they can support an active lifestyle, visit the CDC Physical Activity resource hub.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the SR08 Smart Ring compatible with my iPhone or Android phone?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the SR08 Smart Ring connects via Bluetooth to any smartphone running Android 9.0 or higher, or Apple iOS 10.0 or higher. Simply scan the QR code in the manual to download the companion app and pair the ring.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I wear the SR08 Smart Ring while swimming or showering?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The SR08 is rated 5ATM waterproof, meaning it can withstand water exposure up to 50 metres depth, making it suitable for swimming, showering, snorkelling, and light diving.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the battery last and how do I charge it?\u003c\/h4\u003e\n\u003cp\u003eA: Under normal active use the battery lasts 3–4 days; in standby mode it can last 16–20 days. A full charge takes approximately 2 hours. Always use a standard charger with an output of 1A or less — do not use fast or high-power chargers, as these can damage the battery.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What sizes are available and how do I find my ring size?\u003c\/h4\u003e\n\u003cp\u003eA: The SR08 Smart Ring is available in sizes 8 through 13, with inner diameters ranging from 18.2mm (size 8) to 22.2mm (size 13). Use a ring sizer tool or measure the inner diameter of a ring that fits comfortably on your chosen finger to select the correct size.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What health metrics does the SR08 Smart Ring track?\u003c\/h4\u003e\n\u003cp\u003eA: The SR08 tracks heart rate, blood oxygen saturation (SpO2), sleep duration, step count, estimated distance, and calories burned. It also supports multiple sport modes for a more tailored activity-tracking experience. Note that all readings are for general wellness reference and are not intended as medical diagnostics.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the SR08 Smart Ring compatible with my iPhone or Android phone?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the SR08 Smart Ring connects via Bluetooth to any smartphone running Android 9.0 or higher, or Apple iOS 10.0 or higher. Simply scan the QR code in the manual to download the companion app and pair the ring.\"}}, {\"@type\": \"Question\", \"name\": \"Can I wear the SR08 Smart Ring while swimming or showering?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. 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