Aux Input Earphone Amplifier High-Fidelity Compact 3.5mm Jack Headphone Amp Adjustable Portable Audio Amplifier for On-the-Go Audiophiles Music Smartphone

-With 3.5mm AUX input and output, SNR>100dB and THD+N 0.0003%, make it possibility to output not just louder sound, but a sharper and more stereo sound without distortion.

-Two-stage gain switch enhances the signal input into the amp circuit for optimal performance of the headphones.

-Aluminum matte surface provides you a comfortable handheld feeling.

-It adopts a rechargeable with 1050mAh capacity, which allows it to stay working more than 8 hours.

-It can remarkably compatible with a various of digital devices, such as MP3, MP4 computer.

Specification:

capacity: 1050mAh

Using : more than 8 hours

voltage: DC 3.7V-4V

Internal working voltage: ±4V

SNR: >100dB

THD+N: 0.0003%

Output power: 40MW in Impedance 16Ω

Adapted Headphone Impedance: 16-300Ω

Size: 6.2*9.5*1.5cm

Colour: Black

Material: Aluminum

Package included:With retail box

1x Headphone amplifier

1x Type-C charging cable

1x Audio cable