Haylou Solar Lite Calling Smart Watch Over-Ear-Headphone while a comfortable yet secure

while a comfortable yet secure band works to keep the headphones in place when you’re on the go

Next-level precision

Gain a deeper understanding of your overall health through heart rate variability while you sleep

be prepared

It supports both horizontal and vertical mode for you

Haylou Solar Lite Calling Smart Watch Over-Ear-Headphone while a comfortable yet secureBluetooth Calling Answer mobile phone calls on the watch Sleep Monitoring Help you develop good sleep habit 100 Workout modes Professionally record your workout data 7 Day Battery Life(Depends on usage) Battery Life is up to 10 days under daily mode Smart Message Notifications Never miss any important information 24 Hour Heart Rate Monitoring Heart rate alert function added Battery Capacity 300mAh Input Parameter 5V = 500mA