AROAQ Ai7 pro - 1.92 inch Color Screen 200mAh

Description 1. Battery capacity: 200mAh 2. Bluetooth version : Bluetooth 5.1 3. Charging method:wireless charging 4. Resolution : 320*385 5. Life time: Use 3-5 days, standby 7-10 days 6. Waterproof rating: Life waterproof 7. System: Android system 5.0 version or above,iOS system 10.0 version or above Function: 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Multi-sport modes:walking,running,cycling,hiking,football,basketball,badmiton,rope skipping 5. Information push reminder:SMS,QQ,facebook,whatsapp,twitter,Skype,instagram,wechat application 6. Bluetooth call,voice assistant,NFC access,smart split screen