LEMFO K66 1.85 inch Bluetooth Call Smart Watch, Support Heart Rate / Blood Oxygen Color:Black group knob

group knob

Design: One-click to realize combination key commands

Charging voltage: DC5V 1A

Bluetooth distance for connecting earphones: 5-7 meters

On-board voltage regulator supports a wide input voltage range of 7V to 36V

LEMFO K66 1.85 inch Bluetooth Call Smart Watch, Support Heart Rate / Blood Oxygen Color:Black group knob1. Function: Bluetooth call Bluetooth music (super clear sound quality), weather display, heart rate detection, blood pressure detection, blood oxygen detection, time display, step counting, calories, distance, sleep monitoring, power on off display, stopwatch, multi sports mode, call notification, message reminder, multi language push, alarm reminder, remote photo taking, sedentary reminder 2. The bracelet supports multiple languages: English,