Bluetooth speaker portable power bank led calling answer tf stereo 5 in 1
Connectionwireless frequency response hz20 20000 impedance 4 materialsilicone wirelessbluetooth range m10 channels21 channel sensitivity db90 connectorsusb battery life hour6 sold assingle wireless typebluetooth bluetooth versionbluetooth 40 typewireless bluetooth speaker featuresportable stereo support memory card shower waterproof water resistant outdoor
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