K13S 1.14 inch TFT Screen Silicone Strap Smart Calling Bracelet Supports Sleep Management/Blood Oxygen Monitoring(Black)

K13S is a smart calling bracelet designed to monitor sleep and blood oxygen levels. It is compatible with Apple and Android smartphones.

• Material: Zinc alloy, PC, ABS
• Screen: 1.14 inch TFT
• 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: 100 mAh
• Storage: 4MB + 32MB
• Matching system: Apple, Android, and all smartphones
• Bluetooth version: 5.2
• Charging interface: Charging base
• Features: Call support, music listening, pedometer, distance measurement, calorie tracking, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep management, exercise tracking, time display, alarm clock reminder
• Language support: Chinese and English
• Water resistance: Hand washing and rain