Wireless SpeakerULT FIELD 7Help Guide

Make sure that the AC power cord (mains lead) is connected securely to the speaker. Then, make sure that the AC power cord (mains lead) is connected securely to an AC outlet.

Charge the speaker in an ambient temperature between 5 °C and 35 °C (41 °F and 95 °F). Be aware that the room temperature may fall to 5 °C (41 °F) or lower depending on the season, for example, especially in wintertime.