I need a professional SEO article writer

Num. of words: 700
Information for the blog/website: We sell video conferencing solutions
Tone: Formal/Professional
Outline & Structure: Part 1: Preface, a brief introduction about video conferencing
Part2: Introduce 5 video conferencing hardwares
a. Introduce 5 video conferencing hardwares: Highfive, ezTalks Onion, Polycom, Vidyo, Cisco
b. When introducing each video conferencing hardware, please write a general introduction, features and advantages.
c. Equip each video conferencing hardware with a big and HD picture.
Part 3: Conclusion
Extra notes: Requirements:
a. The article should be original. No copy and paste.
b. The article should be at least 700 words.
c. The pictures used in this article should be big and high-definition.
d. Embed these keywords in this article: best video conferencing hardware, hardware for video conferencing, video chat hardware, video conferencing hardware and software
e. Ensure no grammar mistakes.
f. Hand in in a week.