Double Agent Wireless Headphone(can Be Used SD Card)

Brand Name: XCL Model Number: double agent Style: Headband Communication: Wired Connectors: 3.5mm Use: Portable Media Player Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) color1: blue color2: brown color3: black Fold: folding Packaging & Delivery Packaging Detail: Plastic box Delivery Detail: 2~3days Specifications 1,SD card player headphone 2,double agent wireless headphone for computer,mp3 3,3 color 4,Factory price 5.Original quality SD card player headphone double agent wireless headphone     hot spot Double Agent headphoneSD card wireless headphone3.5 mini-plug gold-plated high-fidelity   Specification: headset mode: folding headphones, ensuring excellent insulation properties seal designed to prevent sound leakage and noise performance, even in the outdoors will not be affected by external noise earphones and sleeves can be rotated 90 degrees to not only increase the wearing comfort, and more fashionable drive unit diameter: 40 mm Neodymium magnet for powerful two-unit Frequency response: 18 - 20,000 Hz  Impedance: 32 ohms  charge time: 1 hour  Battery run time: 5 hours  Battery type: Lithium Battery  USB cable length: 1 M  connection side: 3.5 mini-plug gold-plated high-fidelity  Cable length: 1.5 m long wire      Color: blue, brown, blackTechnical specifications- Can hold any size SD card