Guangzhou SPLUS Technology Co.,Ltd.
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Support Bluetooth 5.0+EDR audio sources, TF card support, Volume control, charge indication, status indication, TWS button, IPX6
Battery capacity: 1800mAh
Power Supply: DC 5 Volt
Output Power: 7.5WX2
Driver Unit: 52mm,4ohms 7.5WX2
Frequency Response: 60Hz-18KΗz
Charging Time:2.5-3 hours
Playing Time:2-4 hours
ESB8250B 7.5W*2 1800mAh IPX6 waterproof portable wireless bluetooth speaker