The heart rate monitor chest strap is an adjustable replacement strap fits for MZ-3 & MZ-1 (Not Compatible for MYZONE MZ-SWITCH ); 1. Specifications: A).Belt length: Small-Medium-Large: Adjustable Wearing size between S:21.5~27.6" inch /55~70 cm B).Material: Nylon + Spandex. C).Color:Red& Black; 2. Features: Soft elastic strap provides a comfortable fit. Easy to use, clean, durable, highly efficient and stable. Soft fabrics and adaptive electrodes make it extremely sensitive to your heart's electrical signals. 3. Instruction: 1).Wet the sensors on the inside of the strap. 2).Attach your heart rate monitor transmitter to the strap. 3).Attach the strap around your chest. 4).Make sure the monitor sits above the base of your chest bone. 5).Package Included: 1 x Chest Belt Strap (only strap not including transmitter)

Please frequently use your heart rate monitor every day , recommended to replace the strap every 3-6 months, to maintain high accuracy in measuring the heart rate signal. The strap is soft and comfortable, and easy to use and clean. In order to prolong the service life of the strap, recommended to wash it by hand and dry it naturally after each use. Please check your heart rate monitor model and wearing size before ordering;. Adjustable Wearing size between S:21.5-27.6" inch /55-70 cm;. This replacement fits for MYZONE MZ-3 &MZ-1 (Not Compatible for MZ-SWITCH) strap;.

Sensor Type: Wearable. Item Weight: 29 Grams. Item Dimensions LxWxH: 29.53 x 1.57 x 0.08 inches. Compatible Devices: Fits for MZONE MZ-3 & MZ-1. Color: Red. Material: Nylon. Brand: Rich Green Valley. Date First Available: February 14, 2022. Best Sellers Rank: #41,751 in Sports & Outdoors. Customer Reviews: 4.3 out of 5 stars 79 ratings 4.3 out of 5 stars. : B09RMSSFZ8. Sport Type: ?Cycling. Size: ?Small. Included Components: ?Strap. Model Year: ?2021. Part Number: ?HRS303. Manufacturer: ?Rich Green Valley. Suggested Users: ?Unisex-adult. Material: ?Nylon. Color: ?Red. Model Name: ?HRS303. Brand Name: ?Rich Green Valley. Item Weight: ?29 Grams. Item Dimensions LxWxH: ?29.53 x 1.57 x 0.08 inches. Package Weight: ?0.03 Kilograms. Item Package Dimensions L x W x H: ?6.14 x 1.57 x 0.75 inches.