Hit your training goals and get more out of your Karoo with real-time heart rate data. A washable chest-strap designed for fit and comfort, including conductive rubber electrodes, allows for great connectivity and durability. Product Details - One of the lightest pods and straps on the market at 15 grams and 28 grams respectively. The patented electrodes increase reliability in all conditions while the exceptional battery life keeps you riding and reduces waste with less batteries. - Adjustable, washable, elastic strap - Strap length: 28"-48" or 711-1219mm - Weight: 15 grams (pod) 28 grams (strap) - Connection: 2x Bluetooth channels and ANT+ - R-R Intervals - 30m (90f) Water-proof - Electrode material: Rubber - Strap connector: Side - Battery life: Approx. 900+ hours - Battery type: User-replaceable CR2032 3 volts (included)