Main Features:- Dual testing: Built-in highly sensitive chip, it can make blood oxygen and heart rate testing by light direction, so that you can know your healthy situation better
- Sleep monitor: Record data about your sleep time, sleep quality, and tell you how to improve bedtime routine
- Personal customized APP: It can offer your suitable advice for you to improve your body
- Pedometer, call SMS reminder, remote camera, finding the phone, etc.
- Set up cloud database, you can sync data easily by Bluetooth 4.0
- Life waterproof, you cannot wear it to swim or shower Bluetooth version: Bluetooth 4.0
Waterproof: Yes
IP rating: Life waterproof Bluetooth calling: Phone call reminder
Messaging: Message reminder
Health tracker: Heart rate monitor,Pedometer,Sleep monitor
Remote control function: Remote Camera
Find phone: Yes
Alert type: Vibration Operating mode: Touch Screen Type of battery: Li-polymer Battery
Battery Capacty: 80mAh
Charging time: About 3hours
Standby time: About 3 Days People: Female table,Male table Shape of the dial: Rectangle
Case material: Zinc Alloy
Band material: Silicone Compatible OS: Android,IOS
Compatability: Android 4.4 / iOS 6.0
Language: English,Simplified Chinese
Available color: Black,Yellow Dial size: 4.7 x 1.6 x 1.2 cm / 1.85 x 0.63 x 0.47 inches
Band size: 20 x 1.6 cm / 7.87 x 0.63 inches
Product size (L x W x H): 24.70 x 1.60 x 1.20 cm / 9.72 x 0.63 x 0.47 inches
Package size (L x W x H): 9.70 x 9.70 x 5.60 cm / 3.82 x 3.82 x 2.2 inches
Package weight: 0.16914 kg Package Contents: 1 x B4 Smart Watch, 1 x Chinese English User Manual, 1 x Charging Cable