Incorporating the efficient W1 chip brings seamless setup and switching for your Beats Devices, up to 8 hours of battery life, and Fast Fuel technology for 2 hours of play with a 5 minute charge. BeatsX works as hard as you do. Sleek, light, and compact, these earphones are your perfect wireless companion. They instantly set up - just power on and hold near your iPhone - then simultaneously connect to your Watch, iPad, and Mac.