App: Wearfit Pro Bluetooth: Bluetooth 5.0+Bluetooth 3.0 Waterproof IP68 Material: Stainless steel+IML(Zinc alloy+IML) Screen Size 2.2 inch Resolution 458*518 Screen type IPS full viewing angle color screen Battery 400mAh/ 3.7V Charging time 2.5H, 3-5 working days, 60 days standby
Chips:SF32LB551, App Wearfit pro Bluetooth: V5.0+3.0 Material: Aluminum alloy+ IML Waterproop IPX 68 Net weight: 54.8g(with watch band) Screen size: 2.02 inch 320*390 pixel Battery: 300mAh, 3.7V charging time 2.5H, Working time 10 days, standby time 150 days