Versatile: Velcro allows upgraded battery clips to hold any normal size usb power bank
Simple: Upgraded Battery Clips are easy to use but incredibly effective
Comfortable: Upgraded Battery Clips mount to your headset via velcro so the clips will not get caught in your hair
Practical: Upgraded Battery Clips extend play time and provide an excellent counter weight
Contains two plastic battery clips, two velcro interfaces, three small, two medium, and one large velcro strip/ strips. Upgraded Battery Clips are patent pending