The Multifunctional headphone combines the Bluetooth,
Card MP3 player and FM Radio function, and supports hands-free function.
With this product, you greatly enjoy the wonderful wireless music,
listen to FM radio, and it also can be worked as a MP3 Player
because it supports Memory card (MicroSD / TF card). Moreover,
 don#39;t worry, if your music players (Such as, MP3 / MP4, etc)
 have no Bluetooth function, you can connect the music
players to the headset via the included 3.5mm audio cable to enjoy your favorite music.
4 in 1 Multifunctional stereo Bluetooth Headphone:
Wireless Stereo Bluetooth + Card MP3 player + FM Radio + Wired Headset function.
3.5mm audio jack, provides a simple wired connection
 of a variety of music players (Such as, MP3 / MP4, etc)
 without Bluetooth function.Easy to pair with almost any
 Bluetooth-enabled audio / music players devices, such as,
Smart Phones, Tablet PC, Laptop, NoteBook, etc.
Be designed with two High-grade speaker and has built-in Mic,,
 powerful bass system, bring you superior sound effect. Best choice for
listening to music / FM Radio, watching movie, chatting online, etc.
Supports hands-free function, conveniently answer the incoming call during travel.

Type: Stereo headphone with Mic
Bluetooth version: 4.1
Operation Distance: 10m;
Plug Type: 3.5mm
Color:White, Green, Blue, Black, Red (Optional)
Support:Bluetooth, Aux in, TF Card, FM radio
The output frequency: Class 2
 USB charging cable: AC input 110-240 V DC input 5 V
Frequency: 2.4 GHz 2.4835 GHz