Heart Rate Monitor Chest Strap Replacement Band for Myzone COMPATIBLE WITH THE HEART RATE SENSORS: Chest strap works with the MZ-3._x000D_ ADJUSTABLE SIZING: Belt circumference 66cm (adjustable), width 3cm._x000D_ EASY USE AND CLEAN: Utilizing the same snap attachment method. The sensor transmitter must be removed and the soft strap hand-washed as often as needed._x000D_ COMFORTABLE AND GREAT WORK: With the chest strap based on Nylon material, it can be attached to your skin closely. Soft fabrics and adaptive electrodes make it extremely sensitive to your heart's electrical signals._x000D_ NOTE: Only Strap, Heart rate sensor Transmitter NOT included._x000D_ _x000D_ Colour: Red_x000D_ Material: Nylon_x000D_ Note: For the heart rate belt, the center distance of the buttons is 45mm. Before purchasing, you need to confirm whether the button distance on the back of the heart rate module conforms to this size._x000D_ _x000D_ Package Contents:_x000D_ 1 * Strap_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_