9 | AMOLED | 3.56 cm (1.4") | Display type Digital | Display resolution 454 x 454 pixels | Touchscreen Yes | Flash memory 64 GB | Band material Silicone | Band size One Size | Shape Round | Market positioning Smartwatch | Watch case size 51 mm | Watch case colour Titanium | Watch case material Polymer,Titanium | Band colour Grey | Heart rate monitor Yes | USB port Yes | Wi-Fi Yes | Battery type Built-in battery | Battery life (max) 384 h | Battery life 29 day(s) | Weight 91 g