Pillow Speaker Bone Conduction Wireless Bluetooth Sleep Aid (packaging damaged)

Dual Modes: The speaker supports two types of sound, respectively, vibration sound bone induction technology sound and air conduction sound of conventional speaker technology. Bone induction technology is suitable for listening to music alone, to avoid disturbing others; conventional speaker technology is suitable for daily use, you can spread the sound to the neighborhood, and others to share music, as ordinary speakers.

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