Oliver O'Brien on Twitter: "The three companies which will be operating legal escooters in London. The middle & right are very similar - they are the Okai ES400 and Okai ES400B https://t.co/W2gLN9WLqm
Okai ES400A VS Ninebot Max Plus - Acceleration Test (Environment Sound Only) 4K - YouTube
ES400 | The Most Well Known Electric Sharing Scooter On The Market - okai.co