HiFi BASS Headphone Amplifier 16-600Ω Earphone Amp Rechargeable 3.5mm AUX Input Output with Volume Control for Phones Computers (3.5 Headphone Jack)

Product Features: Built-in high capacity battery Support charging over voltage protection Support 16~600 Ω impedance earphone Support output volume adjustment and bass adjustment Support one 3.5mm headphone port and one 3.5mm input port Type-c port for charging Aluminum alloy material, full of texture