Fashionable Foldable Split TV Bluetooth SpeakerProduct information: Connection method: Bluetooth connection Interface type: USB Battery capacity: 2000 mAh Frequency response range: 20HZ 20KHZ Output power: 5W*4 Signal to noise ratio: 80db Power supply: built in lithium battery Channel: 2 Play time: 2. 5 hours Expansion storage: 32GB Bluetooth protocol: 4. 2 Number of speakers: 2 Effective distance: 10 meters Function: card, radio, voice prompt Operation mode: button Display: None Play format: MP3,
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