HIFI Mobile Phone Headset Companion Walkman Portable Adjustable Amplifier

Built-in :Yes
Certification:NONE
Recommended Headphone Maximum Impedance:<32 Ohm
Output Type:USB
Origin:CN(Origin)
Input Type:USB

HIFI Mobile Phone Headset Companion Walkman Portable Adjustable Amplifier
This HiFi Headphone Amplifier supports impedance 16-150 ohm, Delicate, Compact and Portable, Which Make it Convenient to Carry, Can Output Remarkable Sound without Distortion.
3.5mm AUX Input and Output
Audio, Suitable for your Mobile Phone MP3 MP4 Laptop PC
Noise Reduction Function, and Distortion with Enhanced Dynamics, Perfect Pure Stereo Effect, HD Voice Music Sound Quality Optimization
Not only suit for music enthusiast, also could be a perfect gift for those who has trouble hearing.
Q: Why there is an buzzing/hissing sound?
A: Please don't use it while charging because current disturbance will occur when in charging. That's why there is noise. When fully charged, please disconnect the power supply, and then use the headphone amplifier.
Q: This amp doesn't amp high enough for my bigger headphones, and why?
A: This headphone amp supports headphones with 16-150 ohm impedance. Please check the impedance of your headphone.
Input/Output Port: 3.5mm Audio Port
Distortion: 0.004%
SNR: greater or equal to 120dB
Load impedance: 16-150 ohm
Max. Power output: 250mW in Impedance 16 ohm
Amp Internal Voltage: +/- 4V
Charging voltage: DC 5V
Frequency response: 20Hz-20kHz( +/- 3dB)
Lithium-capacity: 1000mAh
Amp Using Time: about 6 Hours
Colour: black
Material: ABS
Size: 9.5 x 6.5 x 1.2cm
Package Contents:
1 x amplifier
1 x USB cable
1 x audio cable
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.