Be the life of the party with an Android or iOS device and the Minx Go Bluetooth speaker from England-based Cambridge Audio. For $149 list, Minx Go cranks out loud and full sound from a box that's just five inches high and nine inches wide. The 2.4-pound powerhouse is available in black or white, is rated to deliver 18 hours of sound on a single charge and has a few extras not seen on other products in the category. If you're using the included AC adapter, a USB port on the Minx Go provides charging power for the music player. A rubber base keeps it in place and a center leg pivots out to prevent flipping. It pairs with multiple devices and shuts down after 30 minutes of inactivity. The Minx Go Bluetooth speaker provides excellent sound quality at good volumes, excellent battery life and versatile utility. A carrying pouch also is included.