With more USB ports, you are able to connect more devices.
JBL Boombox: 2
17. wireless charging
The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
23% have it
18. has a 3.5mm male connector
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
45% have it
19. has AirPlay
AirPlay allows wireless connection of Apple devices with external screens or speakers. You may stream computer screen, video and music from iOS devices, play games like on consoles or present your slideshows easily on your TV.