smart watch men women 420*485 ip68 ecg+ppg 1.78 inch big screen multi-sports mode blood pressure oxygen smartwatch pk l13 l16

brand name : dtno.i mechanism : no sim card available : no system : none gps : no type : on wrist compatibility : all compatible rom : <128mb function : passometer function : fitness tracker function : sleep tracker function : message reminder function : call reminder function : remote control function : push message function : alarm clock function : heart rate tracker function : interactive music rear camera : none language : english language : russian language : spanish language : polish la