The U20 U Mini 2-in-1 Bluetooth Headset Smart Watch displays perfect combination of industrial design and technology. If you detach the watch case from wrist band、 it will turn into a Bluetooth headset for easy hands-free calls. Cool、 huh? But that¨s not all. This smart watch has built-in fitness tracker that keeps track of daily activities、 monitors your heart rate、 record sleep patterns、 and reminds you of long-time sitting. What¨s more、 it provides smart sync、 remote camera control、 sedentary reminder、 anti-lost、 and much more. Slim and sleek design elevates your style. Don¨t hesitate any more!                                    <p>Features</p>            <ul><li> 2-in-1 design、 turn into a Bluetooth headset if the watch case is detached from wrist band</li><li> Heart rate sensor accurately monitors your heart rate variation 24 hours a day</li><li> Inbuilt pedometer keeps track of your daily activities and calculates the calorie burned</li><li> Sleep monitor records your sleep patterns and analyzes your sleeping quality</li><li> Other functions include smart sync、 remote camera control、 sedentary reminder、 anti-lost、 and more</li><li> Rimless screen with sensitive keys</li><li> Brushed metal case、 superb craftsmanship</li><li> Soft leather strap、 comfortable to wear for a long time</li><li> Slim and sleek design、 suitable for any occasion</li><li> Bluetooth V3.0、 low energy cost</li><li> Work with Android 4.0 above、 iPhone 5 above and iOS 8 above </li></ul>                                                            <p>Specifications</p>            <TABLE class=ke-zeroborder border=0 cellSpacing=0 cellPadding=0 width="100%"><TBODY><TR><TD width=131>Model</TD><TD width=365>U20</TD></TR><TR><TD width=131>Weight</TD><TD width=365>2.03oz / 57.5g</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>(2.4 x 0.86 x 0.47)" / (6.1 x 2.2 x 1.2)cm (L x W x H)</TD></TR><TR><TD width=131>Material</TD><TD width=365>Alloy</TD></TR><TR><TD width=131>Bluetooth Version</TD><TD width=365>BT4.0</TD></TR><TR><TD width=131>Frequency</TD><TD width=365>260 MHz</TD></TR><TR><TD width=131>Battery Capacity</TD><TD width=365>200mAh</TD></TR><TR><TD width=131>Color</TD><TD width=365>Black</TD></TR><TR><TD width=131>Language</TD><TD width=365>Multi Language</TD></TR><TR><TD width=131>Function</TD><TD width=365>Remote Control、Sedentary Remind、Sleep Monitor、Heart Rate、G-sensor、Pedometer、ect</TD></TR></TBODY></TABLE>                                                            <p>Package Includes</p>            <ul><li>1 x Bluetooth Eraphone</li><li>1 x User Manual</li><li>1 x Data Cable</li></ul>