2pcs 3.5mm Stereo Male to 3.5mm Male Headphone Audio Adapter Jack Coupler Connector--

Product Name : DC Power Connector Connector Type : 5.5x2.1mm Female Jack to 4.0x1.7mm Male Plug Overall Dimension : 40 x 12 mm / 1.6" x 0.47" (L*Max.D) Material : Plastic, Metal Color : Black, Silver Tone, Yellow Replacement DC Power 5.5x2.1mm Female Jack to 4.0x1.7mm Male Plug Connector Weight : 6g Package Content : 1 x DC Power Connector Note:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.