Selling point: 1.57 inch larger screen + 200mah battery + watch face custom + 8 sports mode + 13 languages + Dafit APP. Product specifications Screen:1.57 inch Battery:200mAh Watch size:46×31.5×9.65mm Compatiable with: Android5.0 or iOS10.0 and above APP name:Dafit Functions: *Exercise recording: counting steps, exercise time, exercise mileage, calorie consumption, sleep monitoring, uploading APP to save exercise sleep data. *Health reminder: Heart rate measurement, blood pressure measurement, blood oxygen measurement(data can not compare with medical device, just for reference). *Smart reminder: phone calls, message reminder and push (wechat,facebook,skype,whatsapp,line and so on). *Sport Mode: walking / running / cycling / skipping rope / badminton / basketball / football / swimming. *Other functions:Turn wrist bright screen, time display, remote camera, music control, stopwatch,Do not disturb the mode Settings, look for the bracelet Watch language:English, German, French, Spanish, Korean, Japanese, Russian, Ukrainian, Arabic, Portuguese, Italian.Simplified Chinese, Traditional Chinese Packing list: 1*smart watch, 1*watch charger 1*user instruction