Mini Digital Headphone Amplifier HiFi Audio Stereo Earphone AMP 3.5mm Jack U0Q1

Description

Overview
This earphone amplifier is made of aluminum alloy casing, which is comfortable to handle and has heat dissipation performance. The appearance is compact and easy to carry, with 3.5mm input and output interface, suitable for connecting all kinds of smartphone equipment.
Features
* Using aluminum alloy , feel comfortable, heat dissipation.
* The appearance is small and atmospheric, easy to carry.
* There is an independent gain control switch. The operational amplifier is suitable for both positive and negative supplies.
* With 3.5mm input and output interface, suitable for connection of various types of smartphone equipment.
* Built-in 1000mAh rechargeable lithium , low consumption, working is about 4 hours.
Specifications
Input / Output Port: 3.5mm input
Lithium Capacity: 1000mAh
Amplifier Usage : more than 4 hours
Working Voltage: DC3.7-4.2V
Voltage: DC5V
SNR: &;116db
Distortion: 0.001%
Output : 32Ω 130mW
Load Impedance: 16-300Ω
Frequency : 20Hz-20kHz(±3db)
Package Weight: 110g
Package Size: 13.5 * 6.2 * 3.1cm
Package List
1 * Headset Amplifier
1 * USB Cable
1 * User Manual
Notes
There is a inside the machine, please do not open it privately.
Please do not use the machine at a high temperature and humidity environment.