Main functions: 
Support Micro SIM and TF card
MTK2502C with phone call function, bluebooth ver4.0; perfectly support android and IOS
Heart rate nonitoring
Appearance vogue, extreme thin; Thickness of the whole machine: 12.2mm, Metal frame, stable and durable
HD display, 2.5D arc high sensitive capacitive touch screen, Anti-sweating, delicate and beautiful; Precision OGS laminating process
Nano TPU72 band, anti-sweat matte surface,ergonomic convex design makes wearing more comfortable
Ultrasonic sound cavity closed aluminum film, listen to the sounds of nature
350 mAH Polymer battery capacity, safe and reliable
Variety of colors, mood, UI theme, to show different styles