Kinivo ZX120 Mini Portable Wired Speaker - Manual (Page 8)

Kinivo ZX120 - Pocket Speaker
8
5. Auxiliary Input-Output Port
The ZX120 has a 3.5mm port for both audio input and output. The port
can be used to connect a 3.5mm to an input device or it can connect to
another speaker. (See Chaining Multiple Speakers).
3.5 mm audio
input/output port
6. Charging ZX120 Speaker
To charge the ZX120 speaker, connect the micro USB cable to the ZX120
and plug the speaker into a USB power source. USB power sources
include computers, laptops, USB hubs, USB AC adapters, and USB car
chargers.
USB charge/audio
input/power light