This is the audio exerpt of w spoken within a word. It may sound a little short or unclear, but that's exactly how it's in the real context. For more details, read the below explanation of pronunciation and listen example words that contain w by pressing the word buttons.
1. Round your lips.
2. Raise the middle part of your tongue towards your soft palate without touching it.
3. Make your vocal cords vibrate during the pronunciation of this sound.
4. The result shall sound like something in between a vowel and a consonant.