OT-U001 USB Volume Control PC Computer Speaker Audio Volume Controller Knob (Black) Type-USB Hubs Pan Control Speed: 0

Pan Control Speed: 0

40HQ: 5952 cartons * 400 pcs = 2380800 pcs

allowing users to connect a microphone or headphone

5cm * 6cm / 4

OT-U001 USB Volume Control PC Computer Speaker Audio Volume Controller Knob (Black) Type-USB Hubs Pan Control Speed: 01. Strong construction: the USB volume control is made of metal shell and ALPS rotary shaft, equipped with breathing light and 1. 5m USB cable. 2. One key mute function: when you are listening to music, just press the knob, it will stop at once and back to music when you press again. 3. Once you connect it to computer by USB cable, it will start to work. 4. A great volume control tool for watching videos, playing games, wedding, meeting, celebration