Solve conversion challenges Small head to big head, can realize the connection of mobile phone or other device with 2.5mm headphone head, use 3.5mm headphone, plug and play, enjoy beautiful sound quality. Tight connection Slim design makes this the best style to use, there are no extra cords or odd angles, just plug and go. Small and convenient, easy to use Solid audio performance Fix the 2.5mm interface of the adapter on the mobile phone, and then insert the headphone plug into the 3.5mm interface to convert.It helps to provide balanced audio performance no matter how noisy your commute is, and clear calls even on a bustling, windy street. You need a 3.5mm Jack cable to use this adapter Four-stage Plug The headphone adapter is a CTIA four-segment pin structure, supporting voice calls. Gold-plated Connector Gold-plated connector anti-oxidation, anti-interference and can ensure optimum sound quality. Lightweight The weight of item about 2g,.Carry it with you, it is small and does not take up space, so you can take it away at any time. Audio Cable for Sony Headphones and Other Headphones with 3.5mm Jack USB C Charging Cable for Phones and Other Devices Universal Headband Cover for Most Headphones Add to Cart Add to Cart Buying Options Buying Options Buying Options Customer Reviews 4.5 out of 5 stars 10 5.0 out of 5 stars 8 4.4 out of 5 stars 64 — — Price $9.99$9.99 $6.49$6.49 $8.99$8.99 — no data — no data Compatible Devices Headphones Headphones,Mobile phones Headphones no data no data Material Copper,TPU Copper,TPU Diving Fabric no data no data After-sales Service ✓ ✓ ✓ ✓ ✓