Shell: ABS<br />Strap: PU<br />Back / table back: stainless steel<br />Plastic， rubber strap<br />Built-in Battery life: normal use of more than one year (Japanese lithium battery model: CR2032)<br />Waterproof: Life waterproof (30 meters waterproof can be customized)<br />Accessories: neutral packing OPP bag (can be customized transparent PC case / carton / box)， an English manual<br /><br />Features:<br /><br />Time calendar features:<br />Time range: January 1， 2000 - December 31， 2099;<br />12/24 hour clock selection;<br />Auto show week.<br />Group 2 alarm function:<br />Alarm time: 1 minute;<br />Chime<br />Stopwatch function:<br />Maximum was: 59 '59 "99;<br />SPL features.<br />Countdown function:<br />Maximum was: 23: 59.00<br />Pedometer function:<br />7 seconds intelligent pedometer;<br />Three kinds of pedometer mode display: pedometer / time display mode → pedometer / exercise time display mode → Calories / mileage display mode;<br />User Information Settings: Metric / Imperial → weight → stride → G-Sensor sensitivity.<br />50 days automatic memory function memory step<br />Heart rate measurement functions:<br />Heart rate measuring range: 30 to 200;<br />Through contact measurement， display dynamic pulse rate.<br />You can bind options:<br />Have the charging animation instructions;<br />Have heartbeat measurement mode.<br />Backlight: EL or LED<br />IC Operating voltage: 3V<br /><br />Products include:<br />Watch * 1<br />Instructions * 1<br /><img src="http://img6.eachbuyer.com/x9/p100/eb04686_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04686_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04686_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04686_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04686_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04686_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04685_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04685_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04685_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04685_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04685_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb04685_6.jpg" />