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About the Jayfi:
Jayfi in ear headphones created by JAYFI CREATIVITY,and JAYFI CREATIVITY keeping use unique manufacturing process to make the best tailor-made headset.
With many times of trial and error,JAYFI CREATIVITY developed the JET-830 to balance the first time to experience HIFI users and other users.
With the hight cost of dynamic audio unit, can compatible with all major music devices and different type of system mobile phones.
The function of noise reduction will be great.

Technical Details:
TRRS Plug:Gold plated 3.5mm
Type of Plugs:Plug In Directly
Cable Type:TPE
Frequency Response Curve:20Hz-20000Hz
Rated Input:3mw
Maximum Input:10mw
Distention:< 2%(3Mw.1kHz)
Speaker Specifications: Ø9.2mm
Material of Speaker:Magnet NdFeB.N3
Audio Sensitivity:105dB
Cord Length:120cm

What’s Included:
Tonnerre JET-830 earphone
3 pairs of silicone sleeve of different sizes
1 pairs of Jayfi’s version sponge ear tips
A Tonnerre JET-830 instructions
A earphone bag
9MM DYNAMIC DRIVERS: Engineered with 9mm high fidelity drivers,and the noise isolating in-ear design produce a excellent thumping bass.
ERGONOMIC EARPHONES DESIGN:Patented ergonomic earpiece design provides long-term wearing comfort.Perfect earphones for gym and outdoor sport.
SOUND QUALITY:JET-830’s sensitivity of 20% higher than traditional headphones, headphone impedance lower than the other 30%.It means that the problem of low power audio equipment can’t play excellent music will be not exist.
COMPATIBLE WITH SMARTPHONE:Compatible with all 3.5 mm audio jack smartphones and devices.
1 YEAR WARRANTY (NOW $12.99 Special Holiday Time-limited Promotion Underway )