F2 Smart Bracelet with Fitness Tracker Heart Rate Monitor
F2 ফিটনেস ট্রাকার হার্ট রেট মনিটর
Key Features
• Water-proof IP67
• Bluetooth Version: Bluetooth V4.0
• Touch Screen Type: Yes
• Battery Capacity: 70mAh
• Battery Type: Li-polymer battery
• Standby Time: 5-7 days
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