USB Computer Audio Adaptor, RJ9 to USB Audio Headphone Conversion Line Computer Headphones Line with Control Box

• VOLUME ADJUSTMENT: Volume up or down button, you can adjust the sound you want to make your ears more comfortable
• SIMPLE CONTROL: Microphone close button,You can turn off the microphone by simply pressing it.Speaker close button,The speaker can be turned off to avoid unnecessary information transfer.
• WORKING STATUS INDICATOR LIGHT: The standby green light is always on, the call green light is flashing, and the closed sound is flashing red light.
• EASY TO USE: The RJ9 jack connects to the earphone, and the USB connects to the computer.
• RELIABLE: This product is the best choice for your computer audio adapter, easy to control, so that your headphones can be used in both directions, you can more easily interact with others.

Description Description: Connect the USB control box with the crystal head headset, and use the USB with the USB control box to connect to the computer.USB control box with built-in volume switch and microphone/speaker mute for easy control. The crystal head earphone turns the USB earphone cable, allowing your earphone to be used both ways. So you can more comfortable interacting with others. Specifications: Condition: 100% Brand New Total Length: Approx. 158cm Control Box Size: Approx. 8.8 * 3.5 * 1.8 cm / 3.4 * 1.3 * 0.7 in Weight: Approx. 131 g Usage: 1. Connect the equipment. 2. The computer recognizes the hardware and installs the drive automatically. 3. Test call: If not, start menu - control panel - sound and audio devices - voice. 4. Sound playback: select the USB Headphone Set device. 5. Recording: select the USB Headphone Set device. Package Included: 1 x Convert line 1 x English manual Notes: 1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.