Product main selling point Support Bluetooth calling, heart rate, ECGModeling Smart WatchReference size of whole machine Table diameter 10.7: 4438 Weight of machine G 50Watchcase AlloyWatch strap TPU materialCharging mode Charging of USBColor Black, SilverMain screen 1.54 high-definition IPS, 240x240Touch screen 2.5D Fox Surface capacitive full fit touch screenBluetooth push SMS WeChat QQ News and other client information and other communications timely reminderHeart rate detection Heart rate monitoring, all-weather monitoring your heart rateECG ECG data analysisPedometer Sports step count, calorie consumption, sports mileage recordsRemind of long-time sitting The up sports, change not health of life modelBluetooth music playback Control mobile phone music playbackCall Reminder SupportBluetooth feature and version 3.0, 4.0 support Bluetooth callingBattery Specifications and capacity MAh large capacity polymer.