3.5mm Audio Stereo Jack Female to Female Adapter Coupler Features: This adapter features two 3.5mm female headphone jack connectors, and allows you to connect two 3.5mm cables together Great for adding an extension to your existing headphone jack cables 3.5mm Female to 3.5mm Female Coupler Supports dual channel stereo audio Specifications: Color: Black Size:3.5mm(d) Net weight:about5g Package weight:about15g Package Included: 1 x 3.5mm Female to 3.5mm Female Adapter Coupler