Bathroom Ventilation Exhaust Fan, Blowing, Heating, Lighting,

Detailed explanation of core functions and specifications:
1. Main functions:
- Ventilation system: Provides indoor air circulation and supports air replacement (the ventilation speed is 6.7 m/s, and the air change rate is marked as 1130, which may indicate ventilation volume or air volume).
- Bluetooth speaker: Supports wireless audio playback, which is convenient for connecting mobile phones, tablets and other devices.
- Lighting system: Includes three basic colors (three-color lighting) and adjustable color atmosphere lights to create different environmental atmospheres.

2. Core specifications:
- Model: BN-W04.
- Power supply voltage: 110V/220V (standard voltage for most countries and regions).
- Cabinet material: black iron (durable and easy to clean).
- Control method: infrared remote control (no additional wiring is required, easy to operate).
- Air performance:
- Air inlet diameter: 100×100mm (ensuring efficient air intake).
- Noise level: 40dB (relatively quiet, suitable for home use).
- Product size: From the numbers 35, 35, and 15 marked in the picture, these may represent the size of the device (for example, width × height × depth, in centimeters, such as 35cm × 35cm × 15cm, but the specific direction needs to refer to the actual scale of the product picture).

3. Safety and certification:
- Complies with international standards, including CE (EU Safety Certification) and SAA (Australian Safety Certification).
- These certifications ensure the electrical safety and environmental compliance of the device when in use.

Summary of product advantages:
- Multi-function in one: One device can meet the needs of air purification, music playback and adjustable lighting, saving space and practical.
- Efficient performance: The high ventilation rate (1130) and the low noise design of 40dB are suitable for use scenarios that require a quiet environment (such as a bedroom or study).
- Wide adaptability: 110V/220V voltage design, no need to worry about power supply problems; infrared remote control simplifies opera