Innovative Home Headphone Adapter AUX Audio Adaptor Music Chargers cable Convertor Accessories It allows your device to use 3.5MM headphones to listen to music and charge, including watching videos, playing games also Perfect for running, but it does not have a call feature and does not know the volume adjustment 2.2A EFFICIENT CHARGING:Used 37 PCS 0.08mm diameter tin-plated copper oxide and metal braid encryption, charging current up to 2A efficient charging safe and durable make sure no battery warning while you listenning. PERFACT SOUND QUALITY:Audio data output lossless processing, enjoy clear sound quality. MILLION TIMES PLUG TEST QUALITY ASSURANCE: Tens of thousands of plug test durable flexible TPE cable be able to use a long time. 1 MONTH QUALITY GUARANTEE:Confidence in the quality of our products.Test 8 passes before delivery to the customer's hands to ensure normal use .