Hiwego S4 Ultra Smartwatch | 1.53" AMOLED, NFC, GPS, Compass & IP68

Ultra Features. Refined Style.

The Hiwego S4 Ultra is a feature-rich outdoor smartwatch that punches well above its price point. A vivid 1.53" AMOLED round display with always-on capability, NFC, GPS tracking, digital compass, IP68 waterproofing, and HD Bluetooth calling — all backed by a 5–7 day battery and an extensive range of strap options.

Key Features

• 1.53" AMOLED Round Display — 390×390 resolution with always-on screen mode and 100+ custom dial options
• NFC — Contactless payments and quick-connect functionality
• GPS Tracking — Route and activity tracking via connected phone
• Digital Compass — Always know your bearing on the trail or in the city
• HD Bluetooth Calling — Make, answer, and reject calls with contact sync and caller ID via Bluetooth 5.0
• IP68 Waterproof — Fully protected against sweat, rain, and submersion
• Voice Assistant — Hands-free control built in
• 24/7 Health Monitoring — Continuous heart rate, blood pressure, and activity tracking
• 5–7 Day Battery — 300mAh with up to 30 days standby; magnetic charging (~2 hours)
• Smart Notifications — Calls, SMS, WhatsApp, Instagram, Facebook, WeChat, and more
• Extra Features — Altitude meter, body temperature, weather forecast, music control, remote photography, breathing training, compass, stopwatch, and more

Specifications

• Display: 1.53" AMOLED round | 390×390 resolution | Full touch | Always-on capable
• Battery: 300mAh | 5–7 days use | ~30 days standby | Magnetic charging (~2 hours)
• Waterproof: IP68
• Bluetooth: 5.0
• App: RDFit (Android 4.0+ & iOS 9.0+)
• Strap options: Brown Leather, Black, Gray, Black Steel, Silver Steel, Black Mesh, Silver Mesh (+ premium 2A steel variants)
• In the box: Smartwatch, charging cable, user manual, original box

Note: Health monitoring features are for wellness reference only and are not intended for medical diagnosis or treatment.