B053 Front Stereo Sound Amplifier Headphone Speaker Amplifier Booster with Volume Adjustment, 2-Way Mixer, USB 5V Power Supply, US Plug Bluetooth Speakers dual-port QC3

dual-port QC3

For 4-13-inch mobile phones / tablets

Through simple application installation and setup

overload protection

High definition: This protective film has high light transmittance

B053 Front Stereo Sound Amplifier Headphone Speaker Amplifier Booster with Volume Adjustment, 2-Way Mixer, USB 5V Power Supply, US Plug Bluetooth Speakers dual-port QC3Product presentation: 1. Do you have a line level signal source (TV audio, MP3 player, video game, phone, tablet, computer, speaker, etc.) that is just not loud enough? 2. Good performance audio source signal amplifier with volume control: Adopt new sound source signal amplifier circuit architecture, output level signal gain +20dB 3. The new power boost protection module is convenient for outdoor use: USB 5V power supply, suitable for outdoor mobile