• Screen resolution: 485*520 AMOLED Display
• Built-in chip: SF32LB551
• Body Color: HK9 Pro only have Titanium gold color.
• New Siche SF32LB551: High performance dual core processor, integrated high performance 2D graphics engine, and artificial intelligence neural network accelerator
• Bluetooth: Low power Bluetooth 5.1
• Waterproof level: life waterproof
• Charging type: IC:9001 wireless charging
• Battery capacity: 420mAh
• Support: Android 4.4 and above & iOS 10.0 and above
• APP: Wearfit Pro
• Size : 45mm