Featuresr genuine leather strap stainless steel case cool watch facer cpu mtk6580 quad core 13ghz quicker data processingr rom 8g ram 1g larger than normal watchr 139 oled touch screen resolution 400400 pixelr nano sim card slot support 2g gsm 3g wcdmar android 51 os with bt 40 r 450mah battery 100 hour standby timer ip55 water proof for hand washing water splashingr download more app form google store or android marketr compatible with ios 80 android 44 devices