Name: continuous heart rate smart Bracelet<br />Touch Screen:Yes                                                       <br />Style:Sport<br /> Band Detachable:Yes                                                 <br />Additional features: health monitoring・ information push・ smart reminder・ pedometer・ sleep analysis・ step distance calories sleep the whole point of  fatigue heart rate meter call reminder message display hand<br />Model:K1                                                                   <br /> Case Material:Plastic<br />Application Age Group:Adult                                         <br />Waterproof Grade:Life Waterproof<br />Band Material:Silica                                                     <br />Screen Type:LED<br />Compatibility:All Compatible                                         <br />Screen Style:Rectangle/Square-shape<br />Compatability: Android 4.4 / iOS 8.0 and above system   <br />Battery Type:Lithium Polymer Battery<br />Battery Capacity::105mAh                                           <br />led size:0.66"<br />bracelet size:255*24.2*11mm                                       <br />Charging time:1-2 hours <br />Useing time:1 weeks                                                    <br />Waterproof Rating:IP68<br /><br />Item Description<br />   Recommended reason<br /> 24 hours PER sec sustained heart rate monitoring--UPGRADED fitness tracker can support 24 hours per second to monitor your heart rate・ different fr