1.The 3.5mm extension cable is short and easy to receive and carry, avoid the thread to be mixed up and rolled up. 2.Extend the length of your audio cable.Protect the audio port of the device This headphone jack extension cable can effectively protect the audio port of the device. You don't need to plug and unplug the connector often. 3.Perfect sound effect transmission 4. Special right-angle design This 3.5mm male-to-female right-angle connector allows you to connect to tight spaces and has difficulty reaching areas where ordinary straight connectors are not available. 5. You can use it to connect any device with diameter 3.5mm to listen to music. 6.Compatible headphones, iOS devices , Android devices , PC, laptop, Macbook, iMac, MP3 player, car, TV, DVD, TV box. All with 3.5mm audio auxiliary stereo jacks.