Product name:
ACEFAST K4 Go portable wireless speaker.
BT version:
v5.4.
Transmission distance:
≥10m.
Frequency response:
60Hz-20000Hz.
Battery capacity:
900mAh / 3.7V.
Input:
DC 5V⎓0.86A (USB-C).
Charging time:
1.5 hours.
Working time:
8 hours (music mode).
*All measures are made under 50% volume level.
Speaker unit:
1 speaker unit + 1 diaphragm:
1 full-range speaker unit [45×45mm];
1 passive diaphragm [35×60mm].
Speaker power:
Rated power: 1×4W.
Peak power: 1×5W.
Size:
100*40*78mm.
Weight:
200g.
Waterproof rating:
IPX7.