WahooFitness TICKR Fit heart rate monitor Wrist Bluetooth/ANT+ Black

Indoor unit International Protection (IP) code: IPX7 Product colour: Black Adjustable strap: Yes Waterproof up to: 1.5 m Heart rate data transfer: Bluetooth/ANT+ Measuring type: Wrist Waterproof: Yes Number of batteries supported: 1 Battery life: 30 h Chest strap: No