Flexispot BS-4, bought it new in February and inherited another office chair, so looking to sell this one off. Barely used, pretty much brand new. Super comfortable. Bought it brand new for £140. Happy to let it go for less. Adjustable headrest Adjustable arm rest Rotation, elevation and tilt https://flexispot.co.uk/ergonomic-office-chair-bs4?srsltid=AfmBOorQSgBE_qdYAeZHMya8kD_tmTWEkSinRsypbKPK8cV522NeYcnY
eBay