New Bluetooth Speaker Portable Wireless Bluetooth Speaker

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Product information: Connection method: Bluetooth connection Interface type: card reader Battery capacity: 400MAH Frequency response range: 40Hz-20KHz Output power: 4Ω3W Signal to noise ratio: ≥70db Power supply mode: built-in lithium battery Channel: 1 Playing time: 2-3 hours Expansion storage: 16GB Bluetooth protocol: 4.0 Number of speakers: 1 Effective distance: 10 meters Operation mode: button Play format: MP3, WMA Shell material: plastic Box material: plastic Appearance size: 6*6*13.5CM Product weight: 0.18 (KG) Packing list: one Bluetooth speaker and one charging cable Color: blue, black, red, gray Power supply mode: USB Packing list: sound*1 Show more