Product function introduction: This product is an exclusive private model 1. Body temperature measurement: Automatically measure body temperature throughout the day. When the measured body temperature is >37.3C, the bracelet will automatically alarm. 2. Time/Date/ 3. The vibration alarm clock can set 6 groups of alarm clocks 4. Stopwatch 5. Rechargeable polymer lithium battery, working for 30 days on a full charge Note: The above functions all support single-watch switching, and there is no need to bind mobile phones or computer software. Product specifications: Measurement accuracy: 0.1 (measured under liquid pocket) Measuring range: 30~45 Prompt method: vibration motor Display screen: LED luminous display Waterproof grade: IPX57 Charging voltage: DC=5V (built-in USB can be directly plugged into the power bank for charging) Product material: environmentally friendly silicone strap + ABS shell Battery capacity: 75mAh 3.7V Product weight: 17g Using environment: -10~50C Product size: 240X16X8mm (length X width X height) Packaging list: 1.V9 watch 1PCS 2.Instruction Manual 1PCS