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.

(1) Power on: Insert the power cable, flip the on/off switch to turn on the speaker, it will be turned on and automatically enter the default mode--Bluetooth. (2) Search "SK200" on your computer and connect. (3) Configure the sound output device on your computer: Setting>System>Sound>Output>Choose your Output Device>SK200.

(1) Ensure that the speaker is powered on. (2) Check that the speaker is connected successfully. (3) Check the volume on the speaker, the computer, and the App is turned on. (4) Configure the sound output device on the computer. (5) Connect the speaker to a different device to test if the issues are with the speaker or the computer.