OT-U001 USB Volume Control PC Computer Speaker Audio Volume Controller Knob (Black) Type-USB Hubs 40HQ: 5952 cartons * 400

40HQ: 5952 cartons * 400 pcs = 2380800 pcs

Loading Container 20GP: 532 cartons * 200 pcs = 106400 pcs

allowing users to connect a microphone or headphone

retain independent arrow keys

Standby current: 0

OT-U001 USB Volume Control PC Computer Speaker Audio Volume Controller Knob (Black) Type-USB Hubs 40HQ: 5952 cartons * 4001. 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