KZ-ZST X 1.25m Ring Iron Hybrid Driver In-Ear Noise Cancelling Earphone, Style:Without Microphone(Black) Filter-Phone TV & FM Antenna It can be connected to

It can be connected to a variety of USB devices: mobile hard disk

breathable ear cushions

40HQ: 2848 cartons * 80 pcs = 227840 pcs

One Package Size 23cm * 20cm * 12cm / 9

Carton Size 52cm * 40cm * 52cm / 20

KZ-ZST X 1.25m Ring Iron Hybrid Driver In-Ear Noise Cancelling Earphone, Style:Without Microphone(Black) Filter-Phone TV & FM Antenna It can be connected to1. 10mm large diameter double magnetic moving coil, fast transient response. 2. Frequency response range: 20 40KHZ 3. Plug Type: 3. 5mm 4. Pin type: 0. 75mm 5. Sensitivity: 107dB 6. Ergonomic design, comfortable and stable to wear. 7. Electronic crossover + physical structure double tuning. Specification: Package Weight One Package Weight 0. 09kgs 0. 21lb One Package Size 12cm * 9cm * 5cm 4. 72inch * 3. 54inch * 1. 97inch Qty per Carton 160 Carton