Android watch ios watch appliance type second screen operating system compatibility android 43 and later ios 82 and later compatible devices samsung galaxy s6 sony xperia z3 compact lg g4 apple iphone 5 apple iphone 5s apple iphone 6 apple iphone 6 plus apple iphone 6s apple iphone 6s plus samsung galaxy s6 edge samsung galaxy s6 edge samsung galaxy s5 sony xperia z3 style modern housing material stainless steel casing properties waterproof housing colour si