product information<br />Name: Fitbit Alta Smart Bracelet<br />Material: TPE + TPU synthetic environmental protection material manufacturing<br />Process: the use of zinc alloy die casting material｣ｬ the surface plating injection treatment｣ｬ all the materials on human skin without injury｣ｬ environmental safety｣ｬ not allergies.<br />Features: wrist strap design ergonomic｣ｬ durable｣ｬ soft and moderate｣ｬ very comfortable to wear｣ｬ<br />Compatible with the original Fitbit Alta smart bracelet WRISTBAND<br /> <br />Tips: 1｣ｬ the product does not contain the main movement.<br />          2｣ｬ please the corresponding color to buy｣ｬ there are size distinction｣ｬ thank you