Overview:The Alpatronix AX400 Portable Bluetooth Stereo Speaker is our strongest product yet! You can be sure you will love this cool portable speaker with 2 built-in speakers and enhanced bass!Designed by highly trained and gifted sound engineers, this speaker provides quality in multiple areas: sound, size, look, and ease of operation. Ideal for personal or group use, this speaker is strong enough to fill up a room, living room, classroom, or an outdoor BBQ or picnic with friends and family.Features:Sound Delivery: The AX400 features 2 built-in speakers offering stereo sound and a built-in subwoofer providing enhanced bass!Size: This speaker has been designed with portability in mind. The speaker is 4.5in x 2.25in x 2in, and can fit into a backpack, purse, suitcase, or a pocket! It can also easily fit on a desk, under a monitor, bedside table, next to bonfires, grill, or on any other surface indoors or outdoors.Look: This speaker looks cool! It"s simple, modern, and vintage at the same time. You can choose Red on Black color variety if you want it to stand out, or the Black on Black if you want it to blend in. Either way it will look great and add class to its surroundings.Ease of Operation: The AX400 has touchscreen controls, which takes away all buttons except for the on/off switch! This provides for a more slick look! The speaker doesnt control your device volume, so it is recommended that you increase the volume on your device to maximum, and use the speaker to control the volume directly.Alpatronix Customer Support: All Alpatronix products come with a 1-year warranty. Alpatronix also has a 100% customer satisfaction guarantee, and wants every customers experience with us to be a positive one regardless of their purchase decisions.