Product Features:

1. Beautiful and Stereo output high-quality Super bass headphone.   2. Universal 3.5mm jack,applicable to all 3.5mm interface audio devices.   3. Lightweight and comfortable.   4.  Built-in microphone for phone calls   5. Enables you to carry on conversations while you continue to do other things.   6. Design of PTE high elastic line, more durable   7. Compatible for Samsung, HTC, for iPhone, MP3, MP4, Computers, Smartphone with 3.5mm jack

Specifications:

-Model: JM-21   -Interface size: 3.5mm Jack   -Horn size: 10mm   -Cable Length: 1.2M   -Impedance: 32 ohms +/- 15%   -Frequency Range: 20Hz-20000Hz   -Headset type: In-Ear   -Sensitivity: 106 (dB)   -Other Function:  With Mic and Play Control   -Distortion Rate: 0.3 %   -Scope of application: This product is suitable for MID / MP3/MP4/CD / mobile phones / radios/audio and other related products with the output of the Audio class   - Color: 10 Color for you to choose (Black/White/Blue/Red/Orange/Pink/Purple/Yellow/Rose red/green+yellow)

Package including: 

1x JM21 Headphones

2 pair earmuffs

Consumer protection

[Quality Control]: Tested before shipping and 100% working well;

[Packing]: Comes with protective bubble bag and safe box packing;

[Service]:   Factory price + Prossional Design Team + QC Team Checking Quality before shipping + Professional After-service team service + 24 hours on-line+ Fast ship in 1/2 days  + Return Refund Support for any problem unsatisfied