Note: This's a strap only .. does not include the Whoop 4.0 fitness device.

Product Features:

• High-quality .. elegant strap from 974Bands .. compatible with the Whoop 4.0 fitness device.

• Made of soft and elegant wool.

• Easy to install.

• Soft and comfortable on the wrist.

• Side frame made from high-quality steel.

Warranty: 1 year