Huawei Watch GT 2 Sport (46 mm)Features: 3.53 cm (1.39\") display (454 x 454 pixel resolution) Powerful battery lasts up to 2 weeks with one charge 4 GB internal memory, 32 MB working memory Bluetooth telephony GPS & GLONASS positioning tracking of walking & running, spinning, cycling, triathlon, swimming, cross-country skiing, mountaineering, hiking, rowing machine and elliptical trainer Automatic sleep detection