• 1.32-inch HD IPS bigger screen, 360*360
• 300mAh big battery, last for 7-10 days
• 24/7 heart rate monitor VC52, works accurately same on dark skin
• IP68 waterproof, water-resistant up to 10 meters
• 24 sports modes, record your calories, steps, and distance during exercise with GT FIT Pro APP
• BLE5.2+BLE audio dual mode, Bluetooth call & message notification
• 640kb+16MB storage, CTS816T Chip
• Android 4.4 and above and IOS 9.0 and above