Bluetooth YYS-4201W Portable Wireless Loudpeaker
Support BT, TF, USB, FM, AUX, TWS, Function Output power: 8W*2 Power input: DC 5V Speaker Size: 4 inch*2 operating distance: 10m Sensitivity: ≥80±2db. Battery capacity: 1800 mAh Playback time: (80% volume): 6 hours Charging time: 2-4 hours
