Smartch 2017 KW99 Smart Watch Android 5.1 MTK6580 RAM ROM 512MB 8GB Support GPS WiFi 3G SIM Card Heart rate Smartwatch PK KW88 K diggro di05 smart watch wifi gps mtk6580 bluetooth 4 0 512mb 8gb support 3g nano sim card 1 39inch amoled smart watch pk k88h