Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable Universal AC Power Adapters Max. Support 3A 3000mA
<p></p> Designed exclusively for Belker Universal Multi-Voltage AC Power Adapter, Also for most adapters with 5.5*2.1mm output plug tip.</br> If your device polarity is contrary to the adapter, please use this cable to convert. <p></p> Generally applicable to baby monitor, keyboard, speaker, radio, electrical toys, and more small ac electronics with central negative polarity -.