Order Tips:<br />1. Be compatible with Android ( OS 4.3 or above ); for iPhone ( iOS 8.0 or above )<br />2. Please search "H Band" at Store or Android to download the App<br />3. Filling up the bracelet takes about 1 hour<br /><br /> Function:<br />1.Pedometer｣ｬ message reminder｣ｬdistance<br />2.Calorie burned｣ｬ call reminder｣ｬ touch button<br />3.Vibrate clock｣ｬ waterproof｣ｬ sleep monitor｣ｬ health statistic<br />4.Blood pressure｣ｬ heart rate monitor<br /><br />Specification:<br />1.Chip:Nordic N51822<br />2.Bluetooth Version:4.0<br />3.Sensor:3D Acceleration Sensor<br />4.Photoelectric Sensor:Everlight<br />5.Display:0.86 OLED<br />6.Battery Capacity:90mah<br />7.Machine Material:PC<br />8.Belt Material:Silicone<br />9.Waterproof Level:IP67<br />10.Color:Blue｣ｬ Black｣ｬ Orange｣ｬ Gray｣ｬ Red｣ｬ Green<br /><br />Packing list <br />1 * Smart Bracelet<br />1 * English and Chinese User Manual<br />1 * Charging Cable