MIP , Display type Hybrid , Display resolution 176 x 176 pixels , Band material Silicone , Band size One Size , Shape Round , Market positioning Smartwatch , Watch case size 45 mm , Watch case colour Black , Watch case material Fibre Reinforced Plastic (FRP),Stainless steel , Band colour Black , Heart rate monitor Yes , Battery type Built-in battery , Battery life 28 day(s) , Weight 65 g