When it comes to smart bracelet， I am happy to recommend you this New Bluetooth Sport Health Smart Bracelet Activity Fitness Tracker! With powerful functions and convenient use， this great healthy bracelet tracker must be your good companion in daily life. Adopting high quality material and with ergonomic design， this healthy bracelet is very convenient to record your steps and calorie-burning result while you are doing sports. For smart design， this healthy bracelet could monitor and analyze your sleeping quality. You will not regret to take it home!                                    Features             Bracelet type， more convenient while you are doing sports<br> Silicone material， safe and comfortable to wear<br> Anti-lost and stylish， convenient and helpful to use<br> Could record calculation step， pedometer/calories monitoring， and monitoring in sleep<br> Intelligent silent alarm， never disturb others<br> Light weight and comfortable silicone wrist band   <br>                                                            Specifications             Transmission Method     Bluetooth 4.0    <br> Transmission Distance     up to 10m    <br> Working Temperature     0-45℃    <br> Material     Silicone & ABS    <br> Weight     1.34oz / 38g    <br> Color     Red    <br> Dimensions     (9.45 x 1.18 x 0.2)" / (24 x 3 x 0.5)cm (L x W x H)     <br>                                                             Package Includes            1 x Bracelet<br>1 x User Manual<br>1 x Button Cell<br>