Product Name: Colorful Stereo in Ear Headphone USB Headphone Model NO.: VB-1285D Jack Type: USB, 3.5mm Jack Diameter: USB Function: Noise-Cancelling, HiFi, Multimedia, Mobile Phone Type: Dynamic Headphones Color: Black and Red Wire Material: PVC Material: Plastic Finish: Rubber Finish, Soft Touch Quality: High Cord: 2.0m Speaker Size: 40mm Package: Polybag, Blister or Gift Box Delivery: Around 30 Days Impedance: 32ohms Plug: 3.5mm Stereo Style: Headband Use: Household Microphone: Without Microphone Trademark: N/A Transport Package: Polybag / Gift Box /Blister Specification: CE/ROHS Origin: China HS Code: 85183000 Product Description Colorful stereo in ear headphone usb headphoneElegant design, Super bass and Multi-colors for options. Comfotable weaving headband and soft earpadSPECIFICATION1) Driver unit: 40MM Speaker2) Impedance: 32 ohms (+/-10%)3) Frequency response: 20-20kHz4) Max input power: 40mW5) Sensitivity (at 1kHz): 100dB (+/-5dB)6) Plug: 3.5mm stereo6) Cord length: 1.5m (+/-10%)OUR ADVANTAGE1) Provide tailor-made products to meet different customers' needs2) Strict quality control system. 100% inspection before delivery3) Compatitively price with fast delivery4) Customized logo or package is accepted5) Payment by T/T , L/C or Western Union is accepted6) Provide free sample for quality testing