Item number： VSR14BR-RBR1 VELDT SERENDIPITY is a smartphone connected watch made in Japan with an analog-like watch face uniquely combined with LED lights and a small display, capable of intuitively displaying information in synch with your smartphone. The watch comes with features such as activity trackers function. It is a watch by design that goes well with both professional and weekend fashion, equipped with selected smart functions which are useful in our daily routines. Each of the casing of the watch is carefully assembled and polished by Japanese craftsman. This model comes with the luxury rubber bands which is designed for high-end dive watches made in Austria. Like other models in the series, the watch is made lightweight with unisex design. ・Material : Stainless-steel, Antibacterial plastics, Sapphire glass, Rubber strap ・Size : Case diameter : 48mm, Case thickness : 15.6mm, Weight : 96g ・OS : iOS8 or later / Android5.0 or later ・Languages : English and Japanese ・Wireless : Bluetooth 4.0 Low Energy ・Display : RGB LED x 24, 96 x 16 pixel OLED display ・Movement : Quartz (Button battery. Battery life : Approximately 3 years ) ・BatteryType : Lithium-ion battery. Battery life : Approximately 1 week in standby mode ・Charging method: By micro USB cable connection to computer USB port or AC adapter ・Waterproof : IPX7 ・Included : Micro USB cable ・Warranty : 1 year limited ・Final place of manufacture : Japan ・Functions : Receiving call notifications, emails, SNS messages and notifications from any other apps. Calendar schedule, global time, weather, compass, timer, activity tracker and loss prevention alert. Taxi call service (Tokyo/Japan only), MIP(Most Important Person) function