<p>Intelligent Sleep-Accompanying Speaker White Noise Sleep Instrument</p> <p>1. Fall asleep regularly: 30 minutes, 60 minutes, 90 minutes, automatic sleep</p> <p>2. Touch switch, the top of the lampshade, easy to operate</p> <p>3. Charging parameters: 5V1A</p> <p>4. Output power: 5w</p> <p>5. Speaker: 4 ohm 5w45mm</p> <p>6. Signal-to-noise ratio: greater than or equal to 80 decibels</p> <p>7. Frequency response range: 80-20000Hz</p> <p>8. Battery capacity: 1500mah</p> <p>9. Charging time: about 2 hours</p> <p>10. Standby time: about 240 hours</p> <p>11. Material: ABS+PC</p> <p>12. Features: heating and cooling atmosphere lighting, natural sound, Bluetooth connection</p> <p>13. Lamp beads: cold, warm, white</p> <p>14. Dimensions: 87 x 212mm</p> <p>15. Weight: about 493g</p>