3.5mm Jack Crack Earphone Wired Headset Super Bass Sound Headphone Earbud with Mic for Mobile Phone Samsung Xiaomi MP3 4(YELLOW) Filter-Protective Film 40HQ: 921 cartons * 120

40HQ: 921 cartons * 120 pcs = 110520 pcs

easily realize the function of the USB optical drive box

Operation interface:Similar to Windows operating style

Product size: 3

One Package Size 23cm * 21cm * 8cm / 9

3.5mm Jack Crack Earphone Wired Headset Super Bass Sound Headphone Earbud with Mic for Mobile Phone Samsung Xiaomi MP3 4(YELLOW) Filter-Protective Film 40HQ: 921 cartons * 120Communication: Wired Waterproof: No Style: Neckband Control Button: Yes Frequency Response Range: 50 20000Hz Resistance: 98 Vocalism Principle: Dynamic With Microphone: Yes Function: HiFi Headphone,For iPod,Common Headphone,Sport Line Length: 1. 2m Support APP: No Active Noise Cancellation: Yes Is wireless: No Support Memory Card: No Sensitivity: 123dB Volume Control: Yes Connectors: 3. 5mm Support Apt x: No Wireless Type: None Connectors: AUX