Waterproof Vibrating Alarm Wristband Body Temperature Monitor Smart Band School Use

Label:Yes Power supply method: USB charging Color: purple, pink, black, blue, green Battery capacity: 75 mAh 3.7 V Charging voltage: DC=5 V Package: 1 pc 1 wristband Size: Strap total length: 240 mm(9.45 in), width: 16.5 mm(0.65 in) Measurement range: 30-45 ℃ Material: ABS + Silicone

Description: 1. Body temperature measurement: Automatic body temperature measurement throughout the day, when the temperature is measured> 37.3 ℃, the bracelet will automatically alarm to remind. 2. Time / Date / 3. Vibration alarm can set two groups of alarms 4. Chronograph 5. Rechargeable lithium polymer battery, fully charged for 30