DUOBAGMA USB to 3.5mm Jack Audio Adapter, 3.5mm Jack/Plug to USB Data Cable for MP3 MP4 Player Car Video Recorder Pocket Speakers

【Powerful function】 This USB 2.0 plug and 3.5mm audio jack cable allows you to charge safely (The speaker's USB interface is used to power the speaker, depending on speaker model and function manual.) 【Plug and Play】 1.Charge portable devices conveniently via PC USB port, portable mobile power supply, USB car charger, etc. open. 2.When using an external device, the user does not need to shut down and restart the device and can connect the USB directly while working on the computer. 【High Quality】 This line features integrated 4-core, 2-core charging and 2-core data. The built-in core consists of a silver plated plug and a tin plated 4-core copper wire, which is better than nickel plated, and anti-oxidation and conductive plugs, and pure copper wires have a longer service life. 【Wide compatibility】 Suitable for most portable electronic devices with 3.5mm jacks, such as MP3/MP4 players, pocket recorders/speakers, Bluetooth headsets, etc. Please check the compatibility before ordering.