MP3 Wireless Stereo Headphones, Wireless Headphones

Product Description
Colorful MP3 Headphone:

1. Fashionable earphone
2. Stylish design and good quality
3. CE and RoHS compliant
4. Custom packing design serivce
Bluetooth MP3 headphone with TF card and FM radio
Support: TF card;
Memory card capacity: 16GB;
Built-in lithium battery working time: About 8 hours;
USB interface for charging, very convenient;
With FM radio function, outdoor sport headphone
With audio cable, can also be used as wired headphone
Functions: Support TF card play MP3 music, no card can also play FM radio, can be connected with audio line external MP3 or computer equipment.
Trumpet diameter: 40 Φ (mm)
Sensitivity: 112 + / - 3 (dB)
Distortion rate: 1% or less At 1 kHz (%)
Power: Under 30 mw
Frequency response range: 20 - (20 k Hz)
Impedance: 32 (Ω )
Charging time: 2-3 hours
Battery life: 10 to 12 hours
Audio format: MP3 or WMA
Biggest support card: 128 m or more