Wireless speaker “BS39 Cool freedom” portable loudspeaker - Blue

1. Speaker unit: 45mm 4Ω3W + 2 low frequency diaphragms. 2. Battery: 1200mAh A grade 18650. 3. BT specification: BT V5.0 JL. 4. Function: support wireless playback, call, FM, TF, USB, AUX, TWS playback mode. 5. Charging voltage: DC 5V, charging time is about 2.5 hours. 6. Calls / music time: about 6 hours (at 80% volume playback). 7. Sizes: 120*87*87mm. Weight: 327g.