Mini Portable Speaker The iHM61 is an amazing approach to audio that offers size defying sound. Speaker connects to a computer or other USB power source via the included USB cable to recharge the internal lithium ion battery. Remarkable vacuum bass design gives surprising volume and bass response in a speaker that fits in your palm. Perfect for laptops, cell phones, iPhone, iPod and other MP3 players, any audio source. Buy two for simulated stereo sound.Compact and Portable The iHM61 series is a great addition to your already portable music. Enjoy hours of your music through this little but mighty portable speaker. The 3.5mm headphone jack is perfect for laptops, cell phones, portable game devices, and many other mobile devices. Size Defying Sound iHM61 has a vacuum bass design that provides surprising volume and bass response in a small space-saving speaker that fits in your hand. When traveling or wanting more treble twist the speaker closed or expand it for a deeper bass. The iHM60 volume control is administered through your electronic device. Features: Plays audio from iPad, iPhone, iPod, computer, handheld game system, other audio devices equipped with 3.5mm audio jack Collapsible speaker fits in your palm for ultimate portability Speaker contains built in amp powered by rechargeable battery Includes speaker cable with USB plug for charging speaker Vacuum bass design for enhanced low frequency response and sound beyond size Colors come in: Grey, Blue, Purple, Neon Green, Neon Orange, and Neon Pink