Transmitter Headset Line RJ9 to USB Audio Headphone Conversion Line Computer Headphones Line with Control Box Reppacement

Description: Connect the USB control box with the crystal head headset, and use the USB plug 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 x 3.5 x 1.8 cm / 3.4 x 1.3 x 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.