Headphone Headset Earphone Speaker Audio Music Power Mini Amplifier Rechargeable aluminum gold, by LC Prime When you have bought a great headset or mini speaker set, but found out that the impedance is too high that the output sound is not functioning at the best level by connecting your headset or mini speaker set directly to the audio source. You may have to consider adding our mini amplifier to boost the audio and bring out your headset or mini speaker set? Compact size (8.2cm(L) X 5cm(W) X 2cm(H)) (smaller than a regular smart phone), makes this amplifier great for projects and DIY audio applications; Aluminum enclosure that is lightweight, yet sturdy, and acts as a heat sink. Economical price and tremendous performance Portable and rechargeable with lithium battery inside (capacity: 1200mAH). You can bring it to anywhere you want after charged. The device is charged using USB dock. More Flexible for your multiple uses! WHAT YOU GET: LC Prime 1 X Mini Amplifier, 1 X USB Charging Cable, 1 X 35mm Audio Cable. And our 60-day warranty and friendly customer service. Great choice for Black Friday, Thanksgiving & Christmas Gift idea.