Waterproof Level:    3ATM（Can support optional 5ATM）
Screen size:              1.99″
Screen type:              AMOLED
Lens:                          Glass; bottom screen printed black, partially clear
Heart rate protrusion: IML process, heart rate window area transparent
Bracelet:                       Two-color strap, liquid silicone
Watch dimensions:      (L x W x H) mm 266.43×41.46×10.50mm
Body dimensions:        (L x W x H) mm 47.96×41.46×10.50mm
Watch weight:              43g
Screen resolution:         410*494
Flash:                             512Mb nand flash
Bluetooth:                      BLE5.3
Operating Voltage:       3.8V
Battery capacity:          350mAh
Battery life:                    8 – 10 days
Battery Type:                 Lithium polymer
Charging method:         Magnetic contact charging
Charging time:               Within 1.5 hours