Dpofirs Dpofi1csvgnx83q - 1500mAh 8H Playtime 3.5mm

1. Using aluminum alloy shell, feel comfortable, good heat dissipation. 2. The appearance is small and atmospheric, easy to carry. 3. There is an independent gain control switch. The operational amplifier is suitable for both positive and negative power supplies. 4. With 3.5mm input and output interface, suitable for connection of various types of smartphone computer equipment. 5. Built in 1500mAh rechargeable battery, low power consumption, working time is about 8 hours. Spec: Overview 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 a 3.5mm input and output interface, suitable for connecting all kinds of smartphone computer equipment. Specifications: Input / Output Port: 3.5mm Studio input Battery Capacity: 1500mAh Amplifier Usage Time: 8 hours Working Voltage: +7.1v/-7.1v 1A Charge Voltage: DC5V SNR: ≥116db Distortion: 0.001% Output power: 16Ω 2000mW Load Impedance: 16-600Ω Frequency Range: 20Hz-20kHz(±3db) Item Size: 10*6.2*1.5cm / 3.94*2.44*0.59in Package Size: 13*8*4cm / 5.12*3.15*1.57in Package Weight: 132g / 4.66oz Package List: 1 * Headset Amplifier 1 * USB Power Cable 1 * User Manual Notice: 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.