Description
Headphone Amplifier: can output remarkable sound without distortion which make it convenient to carry;.Headphone Amp input: 3.5mm jack, 5V1A power;Output: 3.5mm jack, USB 5V1A power (can charge your phone once).Use time: Headphone amplifier listening to music for more than 30 hours. Battery capacity:3000mAh. Frequency Response:20Hz-20kHz(±3dB).Headphone Amp High/ Low gain switch and a bass boost for optimal performance of the headphones..The Headphone amplifier is compatible with various 3.5mm jack output players and headphone, such as: phone, MP3, MP4 and computers, game console ect.