This is a durable, high quality adapter that has one 3.5mm male TRS plug on one end and dual ¼" female ports on the other end. It is plug and play and is easy to use. No software or power is needed here! These adapters are commonly used for splitting an audio signal from a 3.5mm connection to two ¼" jacks. The 3.5mm auxiliary connection is commonly seen in audio devices including iPods, mp3 players and computers. The dual ¼" female ports allow a ¼" connection commonly seen on professional audio equipment such as microphones and instruments. With this adapter you will have the best quality sound possible and you won't have to spend much to get it!