AMAZFIT BAND 7 
Design

• Dimensions (including sensor) 42.33×24.36×12.2mm
• Weight (with strap) 28g
• Body Material Polycarbonate
• Water-resistance Grade 5 ATM

Battery

• Battery Capacity 232 mAh (rated value)
• Charging Method Magnetic charging
• Theoretical Charging Duration Approx. 2 hours
• Typical Usage Scenario Battery Life Up to 18 days
• Battery Saver Mode Battery Life Up to 28 days
• Heavy Usage Scenario Battery Life Up to 12 days