B053 Front Stereo Sound Amplifier Headphone Speaker Amplifier Booster with Volume Adjustment, 2-Way Mixer, USB 5V Power Supply, US Plug Bluetooth Speakers Through simple application installation and

Through simple application installation and setup

and can be manually drawn out for discharge

Dimensions: 117x75x39cm

For 4-13-inch mobile phones / tablets

B053 Front Stereo Sound Amplifier Headphone Speaker Amplifier Booster with Volume Adjustment, 2-Way Mixer, USB 5V Power Supply, US Plug Bluetooth Speakers Through simple application installation andProduct 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