Core Bluetooth and Bluetooth Low Energy enable a new category of Bluetooth accessories which have an incredibly long battery life. With CoreBluetooth, iOS apps can talk with shoes to find out how far they’ve run and jumped, make toys come to life, fly a paper airplane, find car keys and remote controls, open a door lock, and find out why a check engine light is on. Learn what’s new in CoreBluetooth and the new ways that iOS apps can interact with Bluetooth Low Energy accessories.