Allows consistent signal between components using high-quality copperPremium 3.5 mm stereo Audio extension cable engineered with soft PVC jacket polished metal connectors and strain-relief rings increases flexibility and durabilityThe cable's flexible jacket is perfect for tight spaces. It does not affect to charge your device with the charging cable. Compatible with iPhone iPod iPod touch Android and other smartphones MP3 cases or any player with a 3.5 mm Audio jack