Hoco BS38 Wireless Portable Bl...

Product Description Speaker unit: 45mm*2 4Ω3W*2 2 low frequency diaphragms. Battery: 1200mAh A grade 18650. BT specification: BT V5.0 JL. Function: support wireless playback, call, FM, TF, USB, AUX, TWS playback mode. Charging voltage: DC 5V, charging time is about 2.5 hours. Calls / music time: about 5 hours (at 80% volume playback). Sizes: 200*80*80mm. Weight: 440g.