Feature

●Aluminum alloy shell, comfortable and heat dissipation
●It looks small and has a good mood, easy to carry
●Independent gain control switch The opamp is suitable for both positive and negative power supplies
●With 3.5mm input and output interface, it is suitable for connecting various types of smartphone computer devices
●Built-in 600mAh rechargeable lithium battery, low power consumption, working time is about 8 hours


Description

Overview
This earphone phone amplifier is made of aluminum alloy casing for comfortable handling and heat dissipation. The appearance is compact and easy to carry, with 3.5mm input and output interface, suitable for connecting all kinds of smartphone computer devices.

Features:
Aluminum alloy shell, comfortable and heat dissipation.
It looks small and has a good mood, and is easy to carry.
Independent gain control switch. The opamp is suitable for both positive and negative power supplies.
With 3.5mm input and output interface, it is suitable for connecting various types of smartphone computer devices.
Built-in 600mAh rechargeable lithium battery, low power consumption, working time is about 8 hours.

Specifications:
Input/Output Port: 3.5mm Studio Input
Lithium Battery Capacity: 600mAh
Amplifier usage time: 8 hours
Operating voltage: DC 3.7-4.2V
Charging voltage: DC 5V
SNR: ≥116db
Distortion: 0.001%
Output Power: 32Ω 130mW
Load impedance: 16-300Ω
Frequency range: 20Hz-20kHz(±3dB)
Item Size: 3.94 x 2.44 x 0.59 inches (10 x 6.2 x 1.5 cm).
Package Size: 5.12 x 3.15 x 1.57 inches (13 x 8 x 4 cm).
Package weight: 132g / 4.66oz

Package List:
1 x Headset Amplifier.
1 x USB power cable
1 x User manual (English language not guaranteed).

Note:
There is battery inside the machine, so please do not open it personally.
Do not use in high temperature and humid environment.