Intoxicase&nbsp;TY1005IC 5 Carrying Case with Collapsible Bottle Opener and Free App for iPhone 5 - 1 Pack - Retail Packaging - Black Comfortable Wearing: Wrist Friendly design with a Very light Stainless steel frame. Anti-sweat watch strap is made of Soft Nano TPU85 which is a super durable material. Multi-Function and Compatibility: Pedometer, Sleep Monitor ,Sedentary Remind, Remote Photography, Music Player, Alarm Clock, Two-way anti lost remind, Voice Recorder, Multi-time zone, Multi-Language, Notification push for SNS, Email, Text, etc. All functions are available for Android Smart Mobiles. However, it only supports part of functions for iPhone. (Such as sync calls/call history/music ) Two Working Model:1.With Sim Card: Making and answering phone directly. 2.Withtout Sim Card: Making and answering phone by connecting with your phone