Wahoo Trackr Heart Rate Monitor. Accurate reliable comfortable and connected the Wahoo Trackr Heart Rate monitor offers athletes everything they need from a heart rate sensor to take their performance to the next level.

Strap Length: Adjustable from 27" to 36" (68cm to 91cm)

Maximum Chest: Fits up to 50" (127cm) chests

Connectivity: ANT+ and up to three Bluetooth connections

Supported Devices: iOS - iPhone iPad Mac Android devices Windows

Battery: Rechargeable Lithium Ion

Battery Life: Over 100 Active Hours

Sweatproof: Yes handwashable strap

Water Rating: IPX7 up to 1 meter for 30 minutes