Fosmon 3.5mm Retractable Aux Cable Auxiliary Audio Cord for HTC One M8 / M9 2015, Desire 820/816/610/510/eye Auxiliary Audio Cable (3.5mm) for the HTC One M8 Use your phone to play music through your car or stereo speakers Works with any cell phone, iPod or tablet with standard 3.5mm jack Retractable design takes up minimal space and easily fits into your pocket Length: 5 inches / 12cm (can be extended up to 32.5 inches / 82.55 cm)