Portable Battery to USB 2.76 inches (L) x 2.5 (W), silver, clear
AA batteries not included. Publisher: BTFO.
BTFO 2pcs USB Battery Pack for 5V LED Neon Lights, Portable 3-AA Black
Publisher: BTFO. Ideal for parties, bars, weddings, and more. Easy to Use: Simply plug in to power your 5V neon lights and other compatible USB LED devices.