Report item
Item specifics
  • Type: On Wrist
  • Application Age Group: Adult
  • Function: Passometer,Sleep Tracker,Mood Tracker,Message Reminder,Call Reminder
  • Compatibility: All Compatible
  • Language: English
  • Function: Heart rate monitor
  • Language: Simplified Chinese
  • Bluetooth version: Bluetooth 4.0
  • Colors: Black,Yellow
  • Compatability: Android 4.4 / iOS 6.0
Product Description

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: 0.144 kg
Package Contents: 1 x B4 Smart Watch, 1 x Chinese English User Manual, 1 x Charging Cable


Packaging Details
  • Unit Type: piece
  • Package Weight: 0.144kg (0.32lb.)
  • Package Size: 10cm x 10cm x 6cm (3.94in x 3.94in x 2.36in)
Calculate your shipping cost by country/region and quantity.
Quantity: Ship to:
Packaging Details
  • Unit Type: piece
  • Package Weight: 0.144kg (0.32lb.)
  • Package Size: 10cm x 10cm x 6cm (3.94in x 3.94in x 2.36in)
We support the following payment methods. All payments made on AliExpress are processed by Alipay.