Type: Bluetooth speaker Function: insert card, radio, dustproof, voice prompt, call function Connection method: Bluetooth connection Interface type: USB Frequency response range: 60Hz-15KHz Output power: 5W*2 Signal to noise ratio: ≥70db Power supply mode: built-in lithium battery Channel: 2.1 Play time: 2-4 hours Expansion storage: 32GB Bluetooth protocol: 5.0 Number of speakers: 2 Effective distance: 10 meters Color: black, silver gray, green Size: 400*62*72mm
Packing List：
1* Speaker
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