The K13S is a smart wristband designed to support sleep management and blood oxygen monitoring. It is compatible with iOS, Android, and all smartphones.
Material: zinc alloy, PC, ABS
Screen: 1.14 inch TFT screen
Touch mode: single touch
Resolution: 135 x 240
Call time: 4.5 hours
Working hours: 60 hours
Charging time: 2 hours
Standby time: more than 7 days
Battery: 100mAh
Storage: 4MB + 32MB
Bluetooth version: 5.2
Charging interface: charging base
Support calling, listening to music, pedometer, distance measurement, calorie tracking, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep management, exercise tracking, time display, alarm clock reminder
Support languages: Chinese and English
Water-resistant: suitable for washing hands and wearing in the rain
