High quality waterproof smart watch for men

smart watch women and men
Resolution: 280*320
Band Material: Silica gel
Case Material: Alloy
Display Size: 1.71inch
Screen Shape: Square
ROM: <128MB
RAM: <128MB
Battery Capacity: 300-450mah
Movement Type: Electronic
function: 
mute / brightness adjustment / breathing training / sedentary reminder / theater mode / music control /  camera control /  weather /Split screen / QR code / Step count
measured: 
Heart Rate Monitor / Blood Oxygen Monitor / Sleep Monitor / Blood Pressure Monitor
Language:
English / Spanish / Portuguese / Turkish / ITALIAN / French / German / Korean / Japanese
Function:
Passometer / fitness tracker / sleep tracker / Message Reminder / Call Reminder / Push Message / 24 hour instruction / Chronograph / Alarm Clock / Power Reserve / Heart Rate Tracker / Interactive Music / Countdown