Feel the power of EXTRA BASS. Connect and stream music easily with Bluetooth and NFC, plus LDAC. Add a splash of colored light with a single-colored line light. Connect and add more speakers with Wireless Party Chain. Add an extra speaker for stereo sound;Frequency Range : 2.4 GHz band. Water-resistant design for worry-free listening indoors or out. Listen all day or night with up 12 hours of battery life. Pick it up and play with the small, lightweight design.