Warm notice:
to save your shiping costs we can give our costomers the best price，we will ship the earphone without the retail package (if you need them ，please chioce the with retail package )
we welcome wholesales ，if you want to whosale and need retail package ，please contact with us，we will give you the competitive price
Features:
Extreme Deep Bass Port
Inner-Ear Headphones
3.94-Ft Cord With Gold-Plated Plug
Includes Hard Case
Could support : portable mp3/mp4 player / computer / android / for iphone 6+ 6 5 5s 4 4s
Specifications:
Earpiece Design Canal Earbud (In Ear Canal)
Fit Design In-Ear only
Sensitivity 104 dB
Frequency Response 5 Hz - 23 kHz
Impedance 16 ohms
Color Black
Features With Volume Control
Connectivity Type Wired
Cable Length 3.9 ft
Driver Unit Size 10 mm
Plug Type 3.5 mm
Miscellaneous Weight 50g
Warm notice 4.00 no box ，5.06 with box
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