If your laptop, Smartphone or tablet sound not loud enough you can enhance it using a new portable speaker from Brookstone called Mobile Mini Speaker Grip. This mini mobile speaker communicates with your smart devices via a standard 3.5mm headphone jack.
You can increasing the music volume and bass with just twist the top and when it pops up you can adjust the volume you desire. The unit come with grip casing to prevent slip and accidental drops. The speaker has a built-in 18-inch retractable audio cable.
The mobile mini speaker powered by a rechargeable battery that can provide up to 10 hours of continuous playback on a single charge. This portable speaker can be charged via USB cable. It will be a perfect option for you who love traveling because it fit easily in your pocket or bag.
If you are interested, you can buy it directly from Brookstone.com for $34.99 each unit. Available in four color option, black, blue, gray, and purple.