Sensor 5 g, armband 12 g, clip 3,5 g
Size M-XXL, machine-washable
Suits the majority of available swimming goggles.
iOS mobile devices: iPhone 5 and later, with iOS 11 or later; Android mobile devices with Bluetooth 4.0 capability and Android 5.0 or later. See more information HERE.
Via Polar Flow
4 MB, up to 200 hours of training time
Rechargeable 45 mAh lithium polymer battery
Can I charge my Polar device with another kind of USB cable or via a wall outlet? READ MORE
12 hours of training
ANT+, Bluetooth Smart