GH Brothers SmartWatch Phones Transflective Display Black 1.3 Inch round all HD IPS screen,high sensitive capacitive touch screen,all precision laminating process. MTK2502C with communication function,Bluetooth Ver4.0,The heart rate detection, Perfect support android and apple system. Appearance vogue,extreme thin,The unique side take card (double),convenient and practical. Nano material strap TPU72 degree,anti-perspiration frosted surface treatment,ergonomics is concave and convex design,wearing more comfortable. Polymer battery 340 mAh capacity,safe and reliable,a variety of colors,a variety of mood,a variety of UI theme,show different styles.