It's recommended to clean your shaver after each use to keep the blades sharp and prevent bacterial growth.

Yes, many shavers are designed with skin protection features suitable for sensitive skin. Look for models labeled "suitable for sensitive skin" when choosing.

This depends on the model of the shaver and frequency of use, with some lasting over 60 minutes of use.

Ensure your skin is moist before using the shaver, move the shaver in the direction of hair growth, and use a moisturizing product after shaving.

The speaker dimensions are 2.8"Hx16.2"Wx 3.9" D.