Presently the Embrace comes with the stretchable band. The band circumference range is 100 - 200 mm (3.937” - 7.874”).
Band: Polyester: 80% and Polyurethane: 20%
Buckle: Aluminium, nickel-free chrome plated
Case: Polycarbonate (PC) base and anodized aluminium.
The electrodes: surgical stainless steel SUS316L. The SUS316L steel alloy contains nickel but it has been carefully tested to ensure that it is compliant with safety regulations for watches and jewellery.
For information about allergies, please see: Can I Wear Embrace Watch If I am Allergic to Certain Materials?