Hybrid smartwatch android watch ios watch appliance type second screen operating system compatibility android 42 and later ios 50 and later compatible devices apple iphone 5 apple iphone 4s apple ipad mini apple ipad 3 apple ipad 4 apple ipod touch 5g samsung galaxy s4 style classic housing material plastic stainless steel housing colour silver housing design round watch strap material silicone watch strap colour white clasp pin buckle operating system