Specifications: 

Glasses Structure: Frame
Whether Polarized: No
Lens Material: Pc
Material: Plastic
Package Size:170 X 50 X 30 Mm

Specifications:

Display Type: TFT  
Screen Resolution: 320x240 
Features: Bluetooth, Built-In Flash, Touch Screen 
Design: Flip 
Movement Type: Electronic 
Strap Material: Silicone 
Shell Material: Plastic 
Screen Size: 1.3 inches 
Touch Screen: Point Touch Screen 
Battery: 240mah 
Heart Rate: Support 
Blood Pressure: Support 
Blood Oxygen: Support 
Application: Wearfit 2.0  
Compatible: Suitable For IOS and Android

Specifications:

Frame Material: PC 
Lens Material: Polarized 
Weight: 21.5