Wireless Bluetooth Speaker Square U Disk Portable Bluetooth Small Speaker

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Product information Connection method: Bluetooth connection Interface type: USB Battery capacity: 300mAH Frequency response range: 100HZ-20KHZ Output power: 3W Signal to noise rati o: ≥75dB Power supply mode: built-in lithium battery Channel: 1 Playing time: 1 Expansion storage: 32GB Bluetooth protocol: 4.0 Number of speakers: 1 Effective distance: 10 meters Operation mode: button Size Information Size: 117*79*39mm Packing list Wireless bluetooth speaker*1 Show more