**Specifications:**
**Brand:** AELVO
**Distribution:** JD, JD Logistics
**Self-operated:** Yes
**Quality:** Flagship authentic products
**Delivery:** Fast warehouse dispatch through JD Logistics
**Service:** Premium service with fast delivery
**Quality Assurance:** Official quality certification, six major quality indicators
**Certifications:** Quality, authenticity, popularity, sales, brand strength
**Inspections:** Professional quality inspections, complete certification
**Additional Features:** Bluetooth earphones, Bluetooth speakers, CNC insulated cups
**Product Model:** SMARTWATCH S9
**Features:** 2.2-inch HD screen, Bluetooth calling, AI voice assistant, GPS tracking, health monitoring, message alerts, IP67 waterproof rating
**Display:** Narrow bezel design, 480*520 resolution, IPS color screen, wide viewing angle
**Customization:** Dynamic and personalized watch faces
**Functionality:** Countdown timer, illuminator, world time, chronograph
**Connectivity:** Bluetooth calling, NFC functionality for access control and contactless operations
**Sports Experience:** GPS tracking, calorie consumption data, outdoor running routes
**Chipset:** RTK8763EW for efficient performance and extended battery life
**Battery Life:** Up to 7 days in typical usage scenarios
**Charging:** Wireless fast charging, 2 hours for full charge
**Interaction:** Improved user interface for enhanced usability
**Health Monitoring:** 24-hour heart rate monitoring, blood oxygen level tracking, sleep monitoring
**Design:** Upgraded buckle for secure fit, zinc alloy casing
**Dimensions:** 45*38*11mm, 226.6mm strap length, 45mm case diameter, 11mm thickness
**Screen:** 2.2-inch HD touch screen with 480*520 resolution
**Connectivity:** Bluetooth 3.0/5.0
**Battery:** 3.7V/280mAh polymer battery
**Waterproof:** Life waterproof, suitable for daily use
**App:** Compatible with RDFit app
**Material:** Silicone strap, zinc alloy casing
**Note:** Actual delivery times may vary by region and are subject to information displayed on the order page.