Keep your San Francisco 49ers spirit close at hand with this Trent Williams Credit Card Powerbank from Keyscaper. The power bank is small enough to fit in your pocket, but powerful enough to charge your phone, earbuds, or Bluetooth speaker. With a 2500 mAh capacity and Trent Williams printed graphics on the front, it's perfect for a quick boost of power for your device and San Francisco 49ers fandom.