Languagessimplified chinese english capacity mah150 materialsilicone connectionbluetooth30 bluetooth40 usb talk timeh4 typesmart bracelet featurestouch screen water resistant water proof voice control wearable sports multifunction long standby pedometers calories burned alarm clock hands free calls timer information camera model1 sensorfinger sensor supported operation systemiphone android ios screen typedisplay technologysuper amoled