Extra Power: Provides 14 extra hours of power (two full back-up charges). 2-in-1 Portable Charging: Recharge the headset inside the case or use the case as a convenient desktop docking stand. LED Status: Separate LEDs show hi-med-low for case and headset. Battery Status Button: See the battery status by pressing the button on the charge case. Charge Cable: Micro USB charge cable included for recharging case.