Hinomi Office Chairs / Hinomi H1 Pro
SIHOO Doro C300 Pro Adjustable Armrest Office Chair (Black)
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Category: Hinomi H1 Pro

Multi-functional Adjustable Ergonomic Office Chair
The Sihoo Doro C300 Pro is engineered for ultimate comfort. Here are its standout features:
Adjustable 3D Headrest
Experience personalized comfort with the 3D headrest, designed to support your head at various angles, ensuring a relaxing and ergonomic seating position.
Enlarged Seat Cushion
The enlarged seat cushion provides additional sitting comfort, especially for taller users, promoting better posture and relieving pressure points.
Adaptive Lumbar Support and 6D Armrests
Adaptive Lumbar Support: Stay comfortable throughout your workday with our dynamic lumbar support, which moves in sync with your body to offer continuous lower back support.
6D Armrests: These super soft armrests adjust in five directions, ensuring support no matter your position—whether you're working, gaming, or simply resting.
Larger Tilt Angle and Wider Seat
The Doro C300 Pro offers a wider seat and a larger tilt angle, providing more space for taller individuals and enhanced flexibility for comfortable relaxation.
Intelligent Weight-Sensing Device
Enjoy a more balanced reclining experience with the intelligent weight-sensing device, which automatically adjusts based on your weight, making your posture more comfortable and your workday smoother.
Adjustable Backrest and Dynamic Tracking System
The backrest is adjustable in four positions and moves up and down by 2.36 inches, designed to offer support for people of various heights. The flexible triangular frame adapts to your body movements, providing continuous support as you shift.
Certifications and Patents
The Sihoo Doro C300 Pro is backed by 12 patents and meets stringent safety and quality standards. Certified by European REACH and EN1335, and the German TUV, our office chairs also comply with the US SGS BIFMA standard. Additionally, the chair features SGS-certified 4-stage pneumatic lifts for added durability and safety. Enjoy free product parts for three years from the date of purchase.









