Wahoo TICKR FIT Optical Heart Rate Monitor Armband Description: TICKR FIT heart rate armband uses optical heart rate technology to provide accurate heart rate and calorie burn data with ultimate comfort and security in mind. Equipped with Bluetooth and ANT+ technology that seamlessly pairs with fitness apps, smartphones, and GPS bike computers and watches to track your most grueling workouts including running, cycling, fitness classes, and more. Worn on the forearm, the TICKR FIT heart rate monitor fits comfortably using an adjustable band that can be worn and operated in tandem with Apple watches for additional heart rate data. Features: Bluetooth and ANT+ capabilities allow for a wireless connection to both smartphones and GPS bike computers and watches See workout data while you exercise, including vital metrics such as heart rate and calorie burn when connected to a smartphone or ANT+ device Made from advanced performance materials, TICKR FIT is designed to comfortably fit around your arm, yet fit securely during intense activity USB rechargeable battery offers up to 30 hours of battery life LED light confirms TICKR FIT is connected and transmitting via Bluetooth and/or ANT+ Works seamlessly with over 50 apps including Zwift, The SufferFest, and Peloton for cycling as well as RunKeeper and MapMyRun for running Specifications: Rechargeable Battery: 30+ hours Strap Length: Small 10" x 1" (260mm x 25.4mm) and Large 15" x 1" (375mm x 25.4mm) Water Resistant: IPX7 (waterproof up to 5 feet) Includes: (1) TICKR FIT unit (1) Small arm strap (1) Large arm strap (1) Battery charger