Plug-in high Fidelity Stereo Headphone MP3 PLAYER with FM Microphone AUX in .


     Features:
1. wireless to listen to MP3 music in TF memory card
2. FM stereo FM radio receiver
3. Detachable cable for easy connection to PC /TV/audio, and support microphone.
4. Detachable cable can be connected to USB port charging
5. Support TF card hot swap and plug and play mode
6. 40 mm neodymium speakers output fidelity quality of the effects of natural
7. DIY your headphone enjoy unlimited  music
8. Special soft leather lining give you lots of comfort
9. Built-in high quality MP3 decoder / FM audio listening
10.1200 mA lithium battery, the highest 12-hour playback time

Product data:
1. Up to 12 hours playback time *
2. Standard charging time: 2 hours
3. Rechargeable lithium polymer battery
4. Wired Headphone mode: 3.5mm
5. 3.5mm FM antenna
6. Ping- fold adjustable headband
7. Noise isolation design and slow-recovery foam + leather ear pads
8. FM radio frequency: 76 ~ 108MHz
9. MP3 decoding range: 8Kbps-320Kbps
10. Support the ISO / IEC 11172-3/13818-3 L1/2/3 and MPEG-2.5, supports VBR, support Wave file playback
11. SNR: 87dB
12. Dynamic Range: 92dB
13. Channel Isolation: 69dB
14. Earphone Frequency Response: 20Hz ~ 20KHz
15. Speaker size: 40mm
16. Speaker Impedance: 32ohm
17. Sensitivity: 97 + /-3dB
18. Magnet Type: Magnetic Nd

1, the appearance of appreciation
DF3500 appearance of mainly black, was relatively calm. The use of closed-end design, the outermost shell is silver, the black middle design, engraved with the brand in the middle of the logo, the middle of the headset unit and the arm can rotate the end of two joint axes.
2, user-friendly design
Arm with very user-friendly design, engraved on the metal pull divider, convenient record of stretching the distance. In addition, the arm stretched hand is also very good.
3, comfortable wear
This headset can pull a long lever arm, the head can rotate 180 degrees, with large, comfortable wearing, you can adapt to most people the first type. Part of the ear pad used flannel + soft fine quality leather, very soft texture, good elasticity, a larger cell size headphones, cover your ears without any discomfort
4, detail function depict:
LEFT EAR:
L indicator , AUX audio input/ ANT/FM radio input.
push upwards :VOL +
push and hold upwards :Continuons VOL+
Push downwards:VOL-
Push and downwards :Continuons VOL-
Music mode:Press:  EQ  setting ,press and hold
Radio mode: Press:Bass on/off,press and hold :ATS
(Automatic tuning and storing )
Micro SDHC/TF
Memory card slot

RIGHT EAR:
R indicator ,
Music mode:
Push upwards :Previous file
Push and hold upwards :Fast Reverse
Push downwards :Next file
Push and hold downwards :Fast forward
Press:Play/Pause
Press and hold :Music /Radio mode switchover

Radio mode:
Push upwards :Previous station
Push and hold upwards :Manual station searching
Push downwards :Next station
Push and hold downwards : Manual station searching
Press:Mute ON/OFF
Press and hold :Music /Radio mode switchover

Mini charger jack:DC IN 5V

POWER:ON/OFF