USB Computer Volume Adjuster Multimedia Audio Line Controller Speaker Knob Switch(Black)

1. USB plug and play, no driver required, compatible with Windows, Android, Mac/IOS system2. No mouse, quickly adjust the volume without affecting the current work window3. All-in-one design, fixed USB cable, prevent falling off, easy to use4. Aluminum alloy metal shell, matte anti-fingerprint, non-slip rotary button5. 360-degree arbitrary rotation to adjust the volume, easy to use6. 4 soft cushions at the bottom, stable and non-slip when using it7. Functions: volume adjustment, mute, up and down, pause8. Size: about 2.4 x 1inchSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 12cm * 10cm * 4cm / 4.72inch * 3.94inch * 1.57inch Qty per Carton 100 Carton Weight 10.00kgs / 22.05lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 100 pcs = 43800 pcs 40HQ: 1018 cartons *