This is a multi-functional intelligent bracelet. It has a 1.54-inch IPS colorful screen, Support heart rate, blood-pressure, bloods oxygen and sleep monitoring. Perfect for running and outdoor sports.<br/>Features:<br />The 1.54-inch high-definition full-square large screen brings a clear visual experience on the wrist.<br />Clear voice calls and receive messages and notifications more conveniently.<br /><br />Easy to use and perfect for running and outdoor sports.<br />More functions, support exercise step, distance, calory road, shake to photograph and so on.<br/>Specifications:<br />Screen: 1.54inch IPS colorful<br />Strap Material: TPU<br />Clasp Type: Buckle<br />Main chip: HS6620<br />Support Tystem: Compatible with Android 5.0 and above amp; IOS 9.0 and above<br />Bracelets Batterys: 1x3.7V 150mAh<br />Resolution: 240×240<br />BT: 4.2&#43;5.0 dual mode<br />Package Size: 100x90x50mm/3.94x3.54x1.97in<br />Package Weight: 99g/3.49oz<br/>Packing List:<br />1xWatch<br />1xUser Manual