Walking Wristband Waterproof-Activity Tracker Fitness Watch with Heart Rate Monitor, IP67 Waterproof Smart Watch with Sleep Monitor, Calorie Counter for Kids Women and Men Black

Battery capacity: 110mAh (built-in lithium battery)

Life time: 5-7 days of standby, 15 days of pure standby

Waterproof rating: lP67

Display: 1.0 inch HD color screen (single touch)

Control method: single touch

Connection method: Bluetooth connection (4.0)

Support system: l0S8.0 or above, Android 4.4 and above