11 g lighter
Can be charged via standard USB cable
It can be charged and operated with a standard USB cable connected to your computer, or with a USB power supply.
Has stereo speakers
Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.
Can be used wirelessly
Wireless devices are good for wearing around the home instead of using loudspeakers, and on the run where a dangling cord can get in the way.