Horny toy, the battery is charged quickly and lasts for a good 20-25 minutes of continuous operation, even if we do not use the device, some days it is fully operational. I recommend him once vollzuladen and then the power supply to remove (better for the battery and the environment). Quick and easy to clean as it is, the volume low. The suction power is good for such a small device. The wall mount is a practical thing. I can recommend it only ...