QKZ ZEN In-ear Subwoofer Wire-controlled Music Running Sports Earphone with Mic(Black) Filter-For Toshiba the daytime visual distance is

the daytime visual distance is 50 meters

the earphones are easy to fall off the ears and are not worn firmly

users can enjoy SDI and AV at the same time

40HQ: 1244 cartons * 400 pcs = 497600 pcs

QKZ ZEN In-ear Subwoofer Wire-controlled Music Running Sports Earphone with Mic(Black) Filter-For Toshiba the daytime visual distance is1. Product Type: In Ear Headphones 2. Plug: 3. 5mm 3. Impedance: 16Ohm 4. Sensitivity: 96dB 5. Frequency response range: 20Hz 20KHz 6. Horn diameter: 11mm 7. Cable length: 1. 25m 8. Headphone cable material: PVC 9. Weight: 15g Specification: Package Weight One Package Weight 0. 07kgs 0. 16lb One Package Size 12cm * 8cm * 3cm 4. 72inch * 3. 15inch * 1. 18inch Qty per Carton 200 Carton Weight 17. 00kgs 37. 48lb Carton Size 50cm * 42cm * 32cm 19. 69inch