Product Name: Factory 3.5mm Jack Promotional Wired Music Children Stereo Headphones Model NO.: VB-504D Jack Type: L-shaped Jack Diameter: 3.5mm Function: Multimedia, Microphone, Waterproof, Noise-Cancelling, HiFi Usage: Home Theatre, Aviation, Portable Media Player, Computer, Mobile Phone Communication: Wired Type: Dynamic Headphones Color: Black and Red, Multi-Color Wire Material: PVC Material: Plastic Quality: High Cord: 2.0m Speaker Size: 40mm Packing: Polybag, Blister or Gift Box Delivery: Around 30 Days Impedance: 32ohms Plug: 3.5mm Stereo Sample Leadtime: Around 3-5 Days Style: Headband Line-Control: Without Line-Control Microphone: Without Microphone Use: Household Earpad Size: Medium Description: Factory 3.5mm Jack Promotional Wired Music Childr Trademark: N/A Transport Package: Polybag / Gift Box /Blister Specification: CE/ROHS Origin: China HS Code: 85183000 Product Description Factory 3.5mm jack promotional wired music children stereo headphonesVB-504D is our private design, it is a very popular and best selling children headphones.Features:1. Spacious, clear sound with deep and enhanced bass and immersiver listening2. Smooth highs and dynamic lows3. Closed back design offers isolation and keeps the sound from disturbing your neighbors4. Perfect use for CD, Walkman, MP3/MP4 player and iPod.5. Light-weight for comfort wearing6. Noise free headset can be added; Headphones over ear headphones professional headphones7. Customers Logo available;8. CE, RoHS Certeficates.SPECIFICATION1) 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