Compare Sony SmartWatch 3 SWR50 with Motorola RAZR V XT889, Motorola XOOM Media Edition MZ505, Motorola XT390
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Sony SmartWatch 3 SWR50 
Motorola XOOM Media Edition MZ505 -
Sony SmartWatch 3 SWR50 
NIU Niutek 3G 3.5 N209 -
Sony SmartWatch 3 SWR50 
NIU Niutek 3G 4.0 N309
