20 PCS 5.5 x 2.1mm DC Female to 5.5 x 2.5mm DC Male Power Plug Tip

1. Interface: 5.5x2.5mm to 5.5x2.1mm 2. Plug and play, easy to use 3. Small size, easy to carry 4. Product material: PC + metal 5. Product size: 1.1x4.1mm