Mediabridge 3.5mm Male To Male Stereo Audio Cable (4 Feet) - Step Down Design for iPhone, iPod, Smartphone, Tablet and MP3 Cases (Part# MPC-35-4 ) STEP DOWN DESIGN: Accommodates SmartPhones & MP3 cases allowing plugs to be fully seated even when bulky protective cases are used. COMPATIBILITY: This 3.5mm (1/8 in) Cable is compatible with any brand MP3 player, phone, tablet, etc. that has a 3.5mm audio jack (aux port). NOT COMPATIBLE with microphone or video function. BUILD: Dual Shielded Premium Quality MP3 Cable with High Quality Polished Metal Connectors with Gold Plated 3.5mm audio plugs. MOST USED FOR: Ideal for connecting iPods, iPhones or Media Players to car stereos or speakers. ALSO AVAILABLE IN: 2FT (Amazon Part# B005UNFRU0), 4FT (B004LTEUDO), 8FT (B004LU1U2M), 12FT (B00CTUUA5Y) & Right Angle (B00OV41VPO)