Portable Headphone Amplifier 3.5mm Stereo Audio in/Out Support Volume Control with GAIN Switch, Rechargeable Battery, 3.5mm Headphone Amp for Switch/PS4/iPhone/PC/MP3/4 /HD 650 Headphones ect.Online now

Headphone Amplifier listens to streaming radio stations, iTunes, personal recordings and YouTube music. Designed to help friends who need to increase their volume.

Portable Headphone Amplifier: Compact amplifier with black brushed metal case, strong structure, light and small, can easily fit into a pocket to carry it around, easy to travel.

This is one of the most stylish and comfortable Portable Headphone Amplifier 3.5mm Stereo Audio in/Out Support Volume Control with GAIN Switch, Rechargeable Battery, 3.5mm Headphone Amp for Switch/PS4/iPhone/PC/MP3/4 /HD 650 Headphones ect. for people. The Portable Headphone Amplifier 3.5mm Stereo Audio in/Out Support Volume Control with GAIN Switch, Rechargeable Battery, 3.5mm Headphone Amp for Switch/PS4/iPhone/PC/MP3/4 /HD 650 Headphones ect. for people, its beautiful design adds a touch of class to your casual wear. The Portable Headphone Amplifier 3.5mm Stereo Audio in/Out Support Volume Control with GAIN Switch, Rechargeable Battery, 3.5mm Headphone Amp for Switch/PS4/iPhone/PC/MP3/4 /HD 650 Headphones ect. item is made from 100% polyester, making it a comfortable fabric. The material is breathable and does not retain any sweat.

The battery charged by Micro USB can last 15 hours and has a long battery life. Capacity: 2000mAH (3.7V). Out of the box.

There are power/volume knobs and gain switches for easy volume control, solving the difficulty of reducing the volume of the headphone jack in Windows 10.

3.5mm Headphone Amplifier compatible with Nintendo Switch, PS4, iPhone, speaker, tablet, laptop, PC, Smartphone, DVD player, MP3, MP4, HD668B, DT770 PRO, HD 650, Beats Pro, MDR-7506 earphone and car AUX inputs ect.

This is a great baseball Portable Headphone Amplifier 3.5mm Stereo Audio in/Out Support Volume Control with GAIN Switch, Rechargeable Battery, 3.5mm Headphone Amp for Switch/PS4/iPhone/PC/MP3/4 /HD 650 Headphones ect. for any Portable Headphone Amplifier 3.5mm Stereo Audio in/Out Support Volume Control with GAIN Switch, Rechargeable Battery, 3.5mm Headphone Amp for Switch/PS4/iPhone/PC/MP3/4 /HD 650 Headphones ect. fan. Buy this Portable Headphone Amplifier 3.5mm Stereo Audio in/Out Support Volume Control with GAIN Switch, Rechargeable Battery, 3.5mm Headphone Amp for Switch/PS4/iPhone/PC/MP3/4 /HD 650 Headphones ect. to show your team spirit and represent your team at the game. It features a classic look with a team logo on the front and is made of 100 percent polyester so you can wear it with no problems.