Compact, party-ready wireless speaker with powerful bass and clear vocals. ULT POWER SOUND and the ULT Button boost low end on demand, while Sound Field Optimisation keeps music natural indoors and outdoors. Water- and dust-proof design with adjustable shoulder strap, playback controls and hands-free calling for easy use on the move. Up to 24 hours battery life with USB-C quick charge (10 min charge = 2 h playback). Party Connect links up to 100 compatible speakers and two ULT FIELD 3 units can be paired for true stereo. Includes Sony Sound Connect app with 7-band EQ. What's in the box: 1x ULT Field 3 Wireless Speaker - Forest Grey. 12-month manufacturer warranty.