Haylou Solar Ultra

• Category： Haylou
• 1.170+ Sports Modes & Bluetooth Calling
• 2.All-day Health Monitoring & Upgraded Accuracy
• 3.Professional Swimming Mode & 5ATM water resistance
• 4.Independent GPS positioning & Compass & Barometer & Altitude
• Product description：All-day Health Monitoring & Upgraded Accuracy High-precision Sensor & Professional Heart Rate Algorithm
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