Usage: Ideal to connect a 3.5mm headset/microphone/speaker to PC via USB interface Function: Support stereo sound listening + speaking, dual functions High Fidelity Sound: It adopts an advanced smart chip, offer high-definition audio, you can get higher fidelity sound from it ...Usage: Ideal to connect a 3.5mm headset/microphone/speaker to PC via USB interface Function: Support stereo sound listening + speaking, dual functions High Fidelity Sound: It adopts an advanced smart chip, offer high-definition audio, you can get higher fidelity sound from it Premium Material: Made of quality aluminum alloy shell, it is more durable to use Easy to Carry: Due to its portable and lightweight design, easy to put into your pocket for storage and carrying Plug and Play: No need to install software, drive, or complex connection mode, just plug and play. Let you use the simplest way to enjoy wonderful music anywhere Specification: Material: Aluminum alloy Size: 17.7*8.3*43.5mm Net weight: 15g Features: Plug and play, built-in smart chip