{"product_id":"haylou-rs4-plus-smart-bluetooth-sports-watch-with-1-78-amoled-display-ip68-waterproof-105-workout-modes-10-day-battery-life-heart-rate-and-spo2-monitoring-in-black-champagne-or-silver","title":"HAYLOU RS4 Plus Smart Bluetooth Sports Watch with 1.78\" AMOLED Display, IP68 Waterproof, 105 Workout Modes, 10-Day Battery Life, Heart Rate and SpO2 Monitoring in Black, Champagne, or Silver","description":"\u003ch1\u003eHAYLOU RS4 Plus Smart Watch: 1.78\" AMOLED Display with IP68 Waterproofing and 10-Day Battery\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HAYLOU RS4 Plus smart sports watch in black, silver, or champagne with AMOLED display on wrist.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/260\/2025-10-02\/original-image\/209471e6-14d1-48d7-8bc4-e04b6859a83c.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe HAYLOU RS4 Plus is a feature-focused smart sports watch designed for users who need reliable activity tracking without constant charging. Its core appeal lies in combining a high-quality 1.78-inch AMOLED display with practical, all-day health monitoring. The watch tracks essential metrics like heart rate and blood oxygen (SpO2) around the clock, supported by a battery that lasts approximately 10 days under typical use. With Bluetooth 5.1 connectivity, it seamlessly pairs with smartphones running Android 6.0 or iOS 11.0 and above, funneling all your health and workout data into the dedicated Haylou Fun app for review. Its construction is built for an active lifestyle, featuring an IP68 waterproof rating that protects it from sweat and rain during workouts.\u003c\/p\u003e\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HAYLOU RS4 Plus smart sports watch in black, silver, or champagne with AMOLED display on wrist.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/260\/2025-10-02\/original-image\/a6830139-d6c5-4716-9c7f-04aadc4b1c59.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe RS4 Plus is built around a robust set of sensors and a clear display, packaged in a compact, wearable design. Its specifications are tailored for accurate tracking and long-term wearability, balancing functionality with comfort.\u003c\/p\u003e\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\u003cp\u003eThe watch's construction centres on a 45.2mm by 37.2mm case with a 10.4mm profile, housing its electronic components. It uses a 20mm wide silicone strap, which is included and can be swapped for compatibility with other standard watch bands. The front is dominated by the 1.78-inch AMOLED display, which provides vivid colours and deep blacks for excellent readability in various lighting conditions. The IP68 waterproof certification indicates a design that is dust-tight and can withstand immersion in water under specified conditions, making it suitable for swimming and intense sweat-inducing workouts.\u003c\/p\u003e\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\u003cp\u003eWith case dimensions of 45.2mm x 37.2mm x 10.4mm and a total weight of 57.6 grams including the strap, the RS4 Plus offers a balanced presence on the wrist—substantial enough to feel durable but light enough for all-day comfort. The 20mm strap width is a common standard, offering users flexibility to personalise their look with third-party bands. The watch is designed to operate within a temperature range of 0°C to 45°C, ensuring reliable performance in most everyday and workout environments.\u003c\/p\u003e\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HAYLOU RS4 Plus smart sports watch in black, silver, or champagne with AMOLED display on wrist.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/260\/2025-10-02\/original-image\/c0148ca3-d02b-4c27-ada3-ebfe0134dd15.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis smartwatch is versatile, serving as a daily health companion and a dedicated sports tracker. Its suite of 105 workout modes and robust sensors allow it to adapt to a wide range of activities, from casual walking to specific sports training.\u003c\/p\u003e\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\u003cp\u003eFor athletic training or multi-sport events, the 105 workout modes enable precise tracking for activities like running, cycling, swimming (thanks to IP68), and many more. The continuous heart rate and SpO2 monitoring provide athletes with insights into their exertion levels and recovery status. The long 10-day battery life is a significant advantage for events like hiking trips or multi-day competitions where charging access may be limited, ensuring the watch remains operational throughout.\u003c\/p\u003e\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\u003cp\u003eAs an everyday wearable, the RS4 Plus functions as a health monitor, tracking your resting heart rate, sleep patterns (implied by sleep monitoring in the title), and blood oxygen levels passively. The clear AMOLED display shows notifications relayed from your connected smartphone, keeping you informed without constantly checking your phone. Its water resistance means it can be worn while washing hands or caught in the rain, and the comfortable 57.6-gram weight makes it unobtrusive for 24\/7 wear.\u003c\/p\u003e\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HAYLOU RS4 Plus smart sports watch in black, silver, or champagne with AMOLED display on wrist.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/260\/2025-10-02\/original-image\/c78a33de-1474-4714-b45a-e4cda78eb1c8.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe value of the HAYLOU RS4 Plus lies in its combination of a premium display technology, extensive tracking capabilities, and practical durability, all at a specification point that supports daily reliance.\u003c\/p\u003e\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\u003cp\u003eThe product is designed for repeated, long-term use. The replaceable 20mm strap allows you to refresh the watch's appearance or replace a worn strap without discarding the main unit. The IP68 rating protects the internal electronics from moisture damage, extending the device's functional lifespan. With only minimal care needed—such as avoiding extreme temperatures outside its 0°C-45°C range—it requires little active maintenance, allowing you to focus on using its features.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\u003cp\u003eChoose the HAYLOU RS4 Plus if your priority is a smartwatch with a superior AMOLED screen for clear visuals, coupled with solid core health tracking (heart rate, SpO2) and exceptional battery life that reduces charging frequency. It stands out for offering IP68 waterproofing, which is essential for swimmers and those with active, sweaty routines, and for supporting an unusually high number of 105 workout modes for detailed activity analysis. The package is complete with all necessary accessories—strap, cable, manual—for immediate use.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HAYLOU RS4 Plus smart sports watch in black, silver, or champagne with AMOLED display on wrist.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/260\/2025-10-02\/original-image\/eb3d3958-1874-401d-833f-f43d6c5142a6.webp\"\u003e\u003c\/div\u003e","brand":"test232qf789yh43798g","offers":[{"title":"Champagne","offer_id":53669874205009,"sku":"CJZN149680903CX","price":108.68,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":53669874237777,"sku":"CJZN149680901AZ","price":108.68,"currency_code":"GBP","in_stock":true},{"title":"Silver","offer_id":53669874270545,"sku":"CJZN149680902BY","price":108.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1040\/8548\/7953\/files\/eb3d3958-1874-401d-833f-f43d6c5142a6.webp?v=1777636720","url":"https:\/\/avelmere.com\/products\/haylou-rs4-plus-smart-bluetooth-sports-watch-with-1-78-amoled-display-ip68-waterproof-105-workout-modes-10-day-battery-life-heart-rate-and-spo2-monitoring-in-black-champagne-or-silver","provider":"Avelmere.com","version":"1.0","type":"link"}