Product image | K57 Product specifications | |
| model | K57 Smart Watch |
APP OS | Android 4.4 and above, iOS 9.0 and above | |
function | Step counting, distance, calories, Bluetooth calls, physical flashlights, heart rate monitoring, blood oxygen monitoring, blood sugar monitoring, blood pressure monitoring, sleep monitoring, music control, music playback, multiple exercise modes, female physiological cycle reminder, voice assistant, calculator, breathing training, alarm clock, remote photography, sedentary reminder, call reminder, information push, multiple dial replacement, more custom setting functions, and more | |
CPU | RTL8763EWE | |
sensor | STK8321 | |
Heart rate sensor | HX3605 | |
Bluetooth | 5.1 | |
Waterproof and dustproof | IP68（Waterproof, dustproof, and scratch resistant） | |
screen size | 1.39 | |
Resolution | 360*360 | |
material quality | Upper shell: metal, lower shell: plastic, wristband: silicone (suitable for steel belt, belt, TPU) | |
Body size | 43mm×12.5mm | |
Wrist strap size | 130mm - 240mm | |
Type | Lithium polymer battery | |
Battery capacity | 330mAh | |
Working range | Used for 7-15 days,Standby for 30 days | |
Charging method | Magnetic suction charging | |
charging time | 1-2 hours | |
APP | FitCloudPro | |
