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Bluetooth Technology: Connect over Bluetooth in seconds to: iPhone, iPad, iPod, Mac, Smartphones, Tablets. Play up to 36 feet from any Bluetooth-enabled device.TWS function: pair two speakers via a single device, barrier-free transmission distance up to 10 meters, connection is not stuck, strong penetrating power, voice prompt function, comes with 1200mAh charging compartment.Louder Volume and More Bass: The speaker could provide 30% louder volume and richer Bass than Other competitors. The crystal clear deep bass 6W HD loud speakers for both active outdoor and indoor use.Ultra Portable&multifunctional: Under 23 ounces.High capacity rechargeable 1200 mAh lithium battery . Support TF Card / U Disk to read and stored music files, you carry the multimedia library. Built-In FM Radio. So much better for travel and hiking, superlight and easy to fit in your backpack and baggage.