Product function introduction: This product is an exclusive private model 1. Body temperature measurement: Automatically measures body temperature throughout the day. When the measured body temperature is above 37.3°C, the bracelet will automatically alert via vibration. 2. Time and date display 3. Vibration alarm clock with support for setting up to 6 alarm groups 4. Stopwatch function 5. Rechargeable polymer lithium battery provides up to 30 days of operation on a full charge Note: All functions can be operated directly on the watch; no smartphone or computer software connection required. Product specifications: Measurement accuracy: 0.1°C (measured under liquid pocket conditions) Measuring range: 30–45°C Alert method: Vibration motor Display screen: LED luminous display Water resistance rating: IPX57 Charging voltage: DC 5V (built-in USB allows direct charging from power bank) Product material: Environmentally friendly silicone strap and ABS housing Battery capacity: 75mAh, 3.7V Product weight: 17g Operating environment: -10°C to 50°C Product dimensions: 240 x 16 x 8mm (length x width x height) Package contents: 1. V9 watch – 1 piece 2. Instruction manual – 1 piece