6600mAh 3.7V Lithium Battery Replacing to Bluetooth Speaker

🔵 6600mAh 3.7V Lithium Battery Replacing to Bluetooth Speaker
By using a 3.7V lithium ion battery with a higher mAh value than the 3.7V lithium polymer battery with a lower mAh capacity in the mini bluetooth speaker, the operating time of the bluetooth speaker can be extended.
This will keep your Bluetooth speaker working for a long time.
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#technology #bluetoothspeaker #18650 #jbl #lithiumbattery