Specification:  Color:Black Material: Plastic+Metal Detail Size:L3.5cm(1.37") W2.2cm(0.86") (It's manual measurement、 there may be a little error.)  Feature:  -Usually used to plug two headphones or sets of speakers (which uses 3.5mm jacks) into one output. -Two female jack sockets to one jack. -Male 3.5mm Jack to two female 3.5mm sockets. -Gold plated connections for better sound quality and less loss.  Package included:  1pcs x 3.5mm Audio Jack Plug  Note: -Due to different producing batches、 product details might be a little different. If you minding the difference、 please buy it carefully. - Please allow 1-3mm differs due to manual measurement. - Due to the different display and different light、 the picture may not reflect the actual color of the item. Thanks for your understanding.