Powerful bass and clear vocals; wherever the party takes you. Featuring a rugged; yet stylish design; colourful lighting; long battery life and adjustable shoulder-strap; ULT FIELD 5 is a fun way to enjoy great sounding music almost anywhere. - ULT POWER SOUND delivers deep bass and high-volume playback - ULT Button; with 2 types of bass; will get the party started - Water; and dust-proof for worry-free use - Dynamic Party Lighting and adjustable shoulder-strap - Up to 25 hours battery life' & quick USB-C charging (10mins = 100mins music) DC-Output; charge your portable devices on the go (USB-C) - Party Connect; wirelessly connect up to 100 compatible speakers together2 - Combine 2 ULT FIELD 5 speakers wirelessly; for wider stereo sound - 3.5mm/analogue line-in provides connectivity with non-Bluetooth devices - Sound Field Optimisation ensures music always sounds true-indoors and out - Sony Sound Connect app offers 10-Band EQ and other custom settings What's in the Box: - 1x ULT Field 5 Wireless Speaker - Black