v8 body temperature smart bluetooth bracelets no app required intelligent temperature measurement sports bracelet wristband with retail box

model number: v8 body temperature smart band place of origin: guangdong, china display type: tft screen: < 2" display color: color feature: touch screen operation system: android, ios camera: no camera band material: rubber case material: plastic function: thermometer, world time cpu: high-precision low-power microprocessor battery capacity: 55mah standby time: 90 days (with screen off) using time: 25 days (normal temperature measurement and viewing time) charging time: about 1 hours