Specification:     <br />Model No.:CK11S                   <br />Vibration: Mute/Vibration    <br />Waterproof: IP67<br />Platform support: Android 4.4 or above・ iOS 8.0 or above                    <br />Main function: Pedometer ・Blood pressure measurement・Heart Rate Monitor・Calories・ Distance・ Stopwatch・ Sleep quality measurement・    <br />Call reminder・ Alarm clock・ Drink reminder・ Social sharing ( Wechat・ QQ・ Facebook・ Twitter )    <br /><br />Description:<br />Screen size: 0.66 inch         <br />Size type: OLED           <br />Bluetooth: 4.0BLE (Low power consumption)             <br />Battery type: Polymer lithium battery       <br />Battery capacitance: 110mAh            <br />Charging type: Magnetic charging    <br />Charging time: About 1.5 hour           <br />Standby time:  Normal use:7days;  Standby:15days        <br />Memory: 7days motion record・ 23 days total data record        <br />Control type: Button control・ APP control ( Customized・ Mobile terminal )       <br />Device size: 55.2*24.1*11.2mm <br />Strap size:265*18*2.6mm  <br /> <br />Package:<br />1 x Ck11 Smart Band    <br />1 x User Manual     <br />1 x Charge Cable