Portable bluetooth speaker

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Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Battery capacity: 1200mAh Frequency response range: 100HZ-20KHZ Output power: 3w*2 Signal to noi se ratio: ≥75dB Power supply mode: built-in lithium battery Channel: 2 Play time: 6 hours Expansion storage: 32GB Bluetooth protocol: 4.2 Number of speakers: 2 预览 删除 Show more