Connectivity Technology: Wireless Connect via Class 1 Bluetooth with your device for wireless workout freedom Up to 12 hours of battery life to power through multiple workouts With Fast Fuel, a 5-minute charge gives you 1 hour of playback when battery is low Sweat and water resistance to handle tough training. Flexible, secure-fit earhooks maximize comfort and stability What's in the box: Powerbeats3 Wireless earphones, eartips with four (4) size options, carrying case, universal USB charging cable (USB-A to USB Micro-B, Quick Start Guide, warranty card