iPad 9.7-inch 32GB Wi-Fi Silver (2017) Posted on May 1, 2018 by Mike Moffit wrote in 999: Battery Replacement Program, How Does My Apple Watch Know My Heartrate?. 0 Likes 23 Views Mike Moffit Director of IT You may also like 13-inch MacBook Pro (non Touch Bar) Battery Replacement Program How Does My Apple Watch Know My Heartrate? Comments are closed.