About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out material, long-term or laboratory tests. Our aim is to provide honest feedback to help you make a purchasing decision. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product reviews, please click here.

Trendoffice
to-sync pro office chair

The Trendoffice to-sync pro office chair from the renowned Trendoffice® brand is an excellent addition to any workplace. Designed for use in the office, home office or start-up companies, this ergonomic office chair offers remarkable comfort and excellent support for the user.
The to-sync pro office chair is characterized by numerous advantages. It has been awarded both the GS seal and the Quality Office certificate, which underlines its outstanding quality and safety. Its ergonomic design with breathable mesh backrest promotes a healthy, upright posture and ensures continuous air circulation. The 6 cm height-adjustable lumbar support is also back-friendly, supporting the lumbar vertebrae and maintaining the natural S-shape of the spine in any sitting position. The height, width and depth-adjustable armrests, which can be swiveled on both sides, can be easily adapted to individual requirements and make sitting extremely comfortable. The range is rounded off by a generous 5-year manufacturer’s guarantee and the option of obtaining spare parts on request.

Advantages

✅ Ergonomic design
✅ High seating comfort
✅ Extensive adjustment options
✅ 5-year warranty

Disadvantages

❌ Use of plastic film

The test

General information

We took a close look at and tested the product in a practical test. In the following, we take a closer look at the features and impressions. From the packaging, materials and quality to the range of functions and handling, the product is subjected to our test procedure.
To give you a quick overview, we work with a points system. The maximum achievable score per area is 100 points. The final overall score is calculated from the average of all tested features, taking into account the respective weighting. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product ratings, please click here.

The first impression

Packaging and contents

ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

CriterionRemarkScore achieved*
Product protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingNo unnecessary packaging waste, but use of plastic80 points
Package contents & scopeIndividual parts of the office chair, incl. screwdriver100 points
Instructions for useclearly written, illustrated and with explanatory video100 points
Total95 points
Weighting: 20%
*The maximum score is 100 points

The Trendoffice to-sync pro office chair impressed us at first glance. The packaging was appropriate for the size of the product and made it easy to unpack. The absence of superfluous packaging material was particularly positive, which indicates the environmental friendliness of the manufacturer.
The product protection was exemplary. The office chair was delivered without scratches or soiling, which indicates careful packaging and handling during transportation.
Although the packaging was environmentally friendly overall, plastic was still used. A more environmentally friendly alternative could be considered here to further minimize the ecological footprint.
All the necessary individual parts of the office chair were included in the packaging, so assembly was straightforward . The scope of delivery met expectations and was complete.
The enclosed instruction manual was clearly written and provided with informative pictures. There was also a helpful explanatory video, which made assembly much easier and contributed to the positive experience.

The first time in your hand

Product processing and appearance

ℹ️ Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

CriterionRemarkScore achieved*
Visual appearanceAttractive design100 points
ProcessingVery good workmanship100 points
StabilityHigh stability, recommended load capacity up to 125 kg100 points
Sustainability of the productGREENGUARD certificate, high-quality materials and five-year guarantee100 points
Total100 points
Weighting: 20%
*The maximum score is 100 points
Einzelteile des Bürostuhls (oben) und aufgebauter Bürostuhl (unten)
Individual parts of the office chair (top) and assembled office chair (bottom)
Aufgebauter Bürostuhl

The Trendoffice to-sync pro office chair impresses at first glance with its appealing design . The clear lines and modern aesthetics blend seamlessly into a wide variety of office environments and not only ensure a professional appearance, but also enhance the working environment.
The workmanship of the office chair meets the highest standards. The solid workmanship is evident in every detail and gives the chair a robust structure. This robustness is also reflected in its exceptional stability : it is designed for users weighing up to 125 kg .
The GREENGUARD certificate confirms that it meets strict environmental standards and minimizes harmful emissions. The use of high-quality materials not only ensures durability, but also underlines the manufacturer’s commitment to environmental friendliness. In addition, the generous five-year guarantee gives the customer security and confidence in the quality of this product.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

CriterionRemarkScore achieved*
AssemblyVery easy to assemble thanks to illustrated instructions – takes approx. 2 min.100 points
Seating comfortErgonomic office chair, comfortable to sit on, air-permeable mesh backrest100 points
FunctionalityAdjustable armrests, tilt adjustment, backrest lock, height adjustment, multifunctional handles and individual adjustment possible thanks to synchronous mechanism100 points
MobilityFive multifunctional castors, run smoothly and very quietly100 points
VariantsSeven different backrests and six different seat cushions100 points
Total100 points
Weighting: 45%
*The maximum score is 100 points

Our practical test of the Trendoffice to-sync pro office chair has shown that the manufacturer largely lives up to its advertising promises. Assembly was very easy thanks to the well-illustrated instructions and only took about two minutes.
In terms of seating comfort, the chair proved to be ergonomic and comfortable, especially thanks to the air-permeable mesh backrest. The functionality of the chair was impressive, with numerous adjustment options such as adjustable armrests, tilt adjustment, height adjustment and a practical synchronized mechanism. The smooth-running and low-noise multifunctional castors ensured mobility.
Last but not least, the variety of the to-sync pro office chair with seven different backrest and six seat upholstery options for individual preferences was impressive.

Price/performance ratio

and ratings from consumers

ℹ️ Finally, we examine how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

CriterionRemarkScore achieved*
Price / performance ratiogood80 points
Rating cut4.6 out of 5.0 stars on Amazon80 points
Total80 points
Weighting: 15%
*The maximum score is 100 points

The Trendoffice to-sync pro from Trendoffice has 4.6 out of 5.0 stars on Amazon.
Users praise its versatility, stability and comfort. Some compare it favorably with more expensive models and report pain relief. The breathability of the seat cover and the adjustability of the armrests are rated negatively. Our practical test confirmed the ease of assembly, high level of comfort and functionality. We cannot confirm the points of criticism and did not notice any negative aspects in our test.

Prices of up to €7,000 are charged on the Internet for equivalent products, with most products costing up to €800 . Very inexpensive products are available from as little as €100. The Trendoffice to-sync pro office chair from Trendoffice is therefore currently in the middle price segment with a price of 339.99. For the quality and performance received, the price-performance ratio is good.

Overall result

WeightingScore achieved*
1. packaging & contents20%100 points
2. product processing & appearance20%95 points
3. in the practical test45%100 points
4. price/performance & consumer ratings15%80 points
Total96 points
*The maximum score is 100 points

The Trendoffice to-sync pro office chair from the Trendoffice brand was awarded an overall score of 1.2 and thus successfully qualified for our test seal. The test was carried out during the test period 10/23 and is stored in our database under the license number 230921003 . Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

Test result:

1,2

to-sync pro office chair
of the brand
Trendoffice
achieved
96
Points in our test and therefore passed. The test was carried out in the test period
10/23
and is stored in our database under the licence number
230921003
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observation and do not include long-term or laboratory tests. The test ratings reflect the opinion of our experts and are based on careful analysis. We would like to emphasize that these evaluations do not claim to be exhaustive and reflect both subjective and objective impressions. The assessments are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a reputable and thorough testing process, which has been developed in a long and professional process in close cooperation with our experts.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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