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This earphone phone amplifier is made of aluminum alloy casing, which is comfortable to handle and has good 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 computer equipment.
* Using aluminum alloy shell, feel comfortable, good 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 power supplies.
* With 3.5mm input and output interface, suitable for connection of various types of smartphone computer equipment.
* Built-in 1000mAh rechargeable lithium battery, low power consumption, working time is about 4 hours.
Input / Output Port: 3.5mm Studio input
Lithium Battery Capacity: 1000mAh
Amplifier Usage Time: more than 4 hours
Working Voltage: DC3.7-4.2V
Charge Voltage: DC5V
Output power: 32Ω 130mW
Load Impedance: 16-300Ω
Frequency Range: 20Hz-20kHz(±3db)
Package Weight: 110g
Package Size: 13.5 * 6.2 * 3.1cm
1 * Headset Amplifier
1 * USB Power Cable
1 * User Manual
There is a battery inside the machine, please do not open it privately.
Please do not use the machine at a high temperature and humidity environment.