Smart Wristband Fitness Tracker Watch Slim Fitness Health Detector Smart Bracelet Activity Tracker Color Display Touchscreen

B5 OLED Color Touchscreen Bluetooth 4.0 Heart Rate Blood Pressure Sleep Monitor Fitness Tracker Pedometer Waterproof Smart Wristband Bracelet For Android iOS

Description:
This smart bracelet is designed to help you live a healthier life. It features many functions such as heart rate monitor, blood pressure detector, pedometer, calories burned, sleep monitor and more.

Specifications:
Model: B5
Wearing: Wristbands
Display: OLED
Screen size: 0.96 inches
Bluetooth version: 4.0
Bluetooth distance: 10 meters (open area)
Battery capacity: built-in 100mAh lithium battery (including)
Charging mode: USB charging
Charging voltage: DC5V
Charging time: 1 hour
Standby time: 15 days
Working temperature: -20 ℃ ~ 50 ℃
Material: ABS + PC
Color: black / blue / red / green (optional)
Strap size: 27.5cm (including wristband), width 1.8cm
Smart wristband size: 4.6 * 2 * 1cm

Notice:
1. Please allow 1-3 cm tolerance due to manual measurement.
2. Different displays show the same picture may be slightly differences.
Thx for your understanding. :)