You are looking at Polar's Wearlink Transmitter. This product retails for $49.99, but can be purchased at a discount from our retail partner. It is available in Black.
Polar® WearLink Transmitter - Built-In Transmitter for Total Comfort. The world's only soft transmitter that fits the body's contours so it's extremely comfortable...
Read more about Polar's Wearlink Transmitter
This product is in our Running Heart Rate Monitors department. To see more products in this category, or other Gear & Nutrition items, please try our selection of running shoes and gear, listed by category below. We have many other products by Polar in our running shoes and gear store.