1. Body temperature measurement: Automatic body temperature monitoring throughout the day. When the measured temperature exceeds 37.3 °C, the bracelet provides a vibration alert. 2. Time / Date display 3. Vibration alarm with support for two customizable alarm groups 4. Chronograph function 5. Rechargeable lithium polymer battery, providing up to 30 days of operation on a full charge Note: The above functions are available on the standalone watch without requiring connection to a mobile phone or computer software. Specifications: - Measurement accuracy: ±0.1 °C (measured under controlled liquid environment) - Measuring range: 30–45 °C - Alert method: Vibration motor - Display screen: LED light display - Waterproof rating: IPX57 - Charging voltage: DC 5V (built-in USB allows direct charging from power bank or adapter) - Product material: Environmentally friendly silicone strap + ABS shell - Battery capacity: 55 mAh, 3.7 V - Product weight: 17 g - Operating environment: -10 °C to 50 °C - Product dimensions: 240 × 16 × 8 mm (L × W × H) Package details: - Product net weight: 17 g (without packaging) - Package weight: 48 g (including bilingual Chinese/English user manual and product) - Packaging dimensions: 110 × 90 × 26 mm (PET blister pack) Package included: - 1 × V9 Watch - 1 × Chinese/English User Manual Note: Due to differences in lighting and screen settings, the actual product color may vary slightly from images. Slight dimensional variations may occur due to manual measurement.