Super Waterproof--- Water-resistant to 100M, super living waterproof. It can be worn while swimming, let you exercise with more confidence.</br>Presicion Stopwatch--- When participating in outdoor sports, always need a watch to record your time, and YOUNGS watch is the best choice for you, cool appearance, precise timing.</br>Event Notice--- After Youngs watch APP event setup, when the event time is up, the watch will alarm and/or vibrate to remind user, the watch icon flashing too, press any button to stop it.</br>365 days standby time: Ultra-long standby time up to 365 days, don't need to worry about power problem any more.Call / SMS / E-mail / Event reminder: Instant information, real time inform you, you can take control of everything.</br>Refuse to answer call only available for Android system, iOS do not support this feature. Gmail, yahoo e-mail for Android system, iCloud e-mail for iOS system. SOS only available for Android system, iOS system do not support this feature.</br></br>Product Description</br></br><p>Cool design, military and sports style, 2 kinds of fashion color - Sports group: Black + Red, Black + Blue,</p><p>Black + Green, represent your sports spirit; Military team: Marine camouflage, Desert </p><p>Camouflage, jungle camouflage, as a symbol of military. All this is the pursuit of personality. In </p><p>additional, it equips with a range of features, is your outdoor sports essential choice. Choose it, i show my style. </p><p><br></p><p><b><i>Hardware</i></b><br></p><p>Brand: Youngs</p><p>Bluetooth version: Bluetooth 4.0</p><p>Waterproof rating: 100M waterproof</p><p><br></p><p><b><i>Functions</i></b></p><p>Bluetooth calling: Phone call reminder</p><p>Messaging: Message reminder</p><p>Remote control: Camera remote</p><p>Notification: Yes</p><p>Anti-lost: Yes</p><p>Find phone: Yes</p><p>Other functions: SOS, Back-light, Pacer, Alarm, Calendar (100 years),</p><p>Stopwatch, World time, Countdown, Hourly chime </p><p>Groups of alarm: 5 sets </p><p>Alert type: Ring, Vibration</p><p><br></p><p><b><i>Battery</i></b></p><p>Battery type: CR2032</p><p>Standby time: 1 year</p><p><br></p><p><b><i>Features</i></b></p><p>Compatible OS: Android, iOS  Compatability: Android 4.3 / iOS 6.0 or above system </p><p><br></p><p><b><i>Weight and Size</i></b></p><p>Dial size: 1.97 x 1.97 x 0.59 inches</p><p>Wearing diameter: 7.48 - 9.72 inches</p><p>The band width: 0.87 inches</p><p>Product size: (L x W x H) : 10.61 x 1.97 x 0.59 inches</p><p>Package size :(L x W x H): 3.54 x 3.54 x 3.54 inches</p><p>Product weight: 0.072 kg</p><p>Package weight: 0.3 kg</p><p><br></p><p><b><i>Package contents</i></b></p><p>1 x Youngs PS1503 Smart Watch</p><p>1 x English Manual</p><p>1 x Box</p><p><br></p><p><b><i>App install</i></b><br></p><p>Android users need to find "Youngswatch" on Google play then download and install it;</p><p>iOS users can find "Youngswatch" in APP store then download and install it.</p></br><br/>http://www.amazon.com/gp/product/B01D8XXAMU