Clock and date sync with your phone step gauge support calories support mileage support blood pressure support heart rate support sleep monitoring support silent alarm (customize)mobile phone end setting, ring end vibration reminder palming bright screen support swimming does not support phone calls reminding support sms alerts support real-time message reminder support micro letter movement support detail system requirements android 4. 3, iOS 8. 0 or above bluetooth version ble4. 0 bluetooth chip nrf52832 blood pressure heart rate sensor pd70-01c-tr7 acceleration sensor mistrial acceleration screen size 1. 3 "tft screen resolution rgb * 240 * 240 battery capacity 220 mah standby time 168 hours use your time 72 hours continuous heart rate test 12 to 18 hours charging way clip-on charging power supply requirements 5 v, 500 ma charging time about 0. 5 hours key way physical keys + gestures language the global character motor the patch vibrates the motor waterproof level ip68 size product size 250*40*11. 5mm single weight (with package)38g(168g)