Nouveau système audio breveté pour le sommeil par conduction osseuse, enceinte pour le sommeil, système audio sur pied, carte TF, musique d'aide au sommeil avec bruit blanc

Applicable scenario: Home Listing time: Autumn 2025 Connection method: Bluetooth connection Frequency response range: 100HZ-20KHZ Signal to noise ratio: ≥ 85dB Number of speakers: 1 Effective distance: 15 Box material: ABS Appearance size: 92 * 60 * 16 Item number: JX09 Color: Sleep speaker black (with TF card), Sleep speaker white (with TF card), Sleep speaker orange red (with TF card) Power supply method: lithium battery Patent number: 202420682130.7 Is it a patented source of goods? Yes Waterproof grade: Not waterproof Bluetooth version: 5.3 Built in battery capacity: 300mAh-500mAh (inclusive) Rated power: 2 Net weight of product: 44g Rated voltage: 3.7 Additional features: card insertion, timing, voice prompts Certification types: CE, FCC, ROHS, other Built in battery: Built in battery