Wireless Bluetooth Heart Rate Sensor Heart Rate Monitor, Chest Strap & Fitness Tracker
Main FeatureHeart Rate monitor Material:ABS Color:Black Transmitter Dimension:65 x 37 x14 mm, 17g Chest Belt Dimension:29 x 660 mm (Maximum Lengh 970mm), 34g Battery Type:Button cell CR2032 Battery Life:Twelve months … Continue reading