From Amazon
Hama Audio Jack Adapter (1 x 3.5 mm Male Jack - 2 x 3.5 mm Female Jacks, Stereo, for Computers, Macbooks, Tablets, Smartphones, 10 Year Warranty) Black/Green/Pink
Conrad Electronic
Hama 00200352 Jack Audio/phono Cable [1x Jack plug 3.5 mm - 2x Jack socket 3.5 mm] 0.15 m Black