Conwork 2-Pack 5.5mm x 2.1mm DC Power Plug Male to Mini USB Male Charger Adapter Connector for Mobile Phone Multimedia Speaker Applicable to a variety of small electrical appliances, mobile phones, MP3, MP4, digital photo frames, LCD monitors. This adapter is DC 5.5 x 2.1mm Male to mini USB male port type. Can be used to charge a phone with mini USB female port. Easy to install and easy to use Package Contents: 2 x Conwork DC Power adapter. Lifetime Warranty.