Features: 2.5mm Male to 3.5mm Female Adapter; 2.5mm Male with 2 black rings, Without MIC function. Let you use 3.5mm Headphone on 2.5mm devices. Perfect for listening to MP3s with universal 3.5mm earphones, speakers, etc. Gold plated connector,20cm/7.87inch length high quality cable,anti-interference,enjoy your music with your original headset now. High-fidelity design, full of sound quality large band amplitude, pure tone. One-cable connecetion, suitable for 3.5mm/2.5mm equipments. Specifications: Material:Plastic Length:Approx.20cm/7.87in Type:Straight,Right Angle Net Weight:8g Note: Please allow 1mm errors due to manual measurement. Package includes: 1x 2.5mm to 3.5mm Audio Jack