Speaker Features:

Plays music files that are directly stored in a SD, MMC, or TF card

Built-in silicon casing proving shock proof protection, indoor/outdoor use, and quality auto entertainment.

Standard 3.5mm audio input/output jacks.   Allows compatibility with Ipad/Iphone, audio devices and most smart phones.

Build in lithium battery, with can be charged via USB cable.

Ear bud Features:

Natural sound reproduction and wide dynamic range.

Outstanding base response and treble clarity

Compatible with any stereo/audio devices, including Ipod, Iphone, and other MP3 players