Smart Heart Rate Monitor providing real-time and accurate heart rate data during exerciseUtilizing both ANT+ and Bluetooth technologies, wirelessly transmit heart rate data to cycling computers, smartphones, smartwatches, and moreSweat-proof rating delivers accurate readings even during high-intensity trainingSoft elastic strap ensures a comfortable fit, and it`s both replaceable and washable for conveniencePowered by a CR2032 battery (included), offering up to 730 hours of working time and is easily replaceableANT+/BLEHeart RateBlackUPC/EAN/GTIN: 088587001672