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Description
Wired Vertical Ergonomic Mouse with RGB Lighting, Adjustable DPI, Removable Palm Rest and 7 Customizable Buttons (Black)Comfortability meets performance with the J Tech Digital V638R Ergonomic Vertical Mouse. The V638R is perfect for anyone who experiences wrist and hand fatigue or discomfort when using a traditional mouse. The vertical design reduces the torsion of the forearm and wrist caused by the ergonomics of a traditional mouse. The DPI variable, high precision optical sensor can result in less hand movement and in turn reduce fatigue when working for extended
Comfortability meets performance with the J-Tech Digital V638R Ergonomic Vertical Mouse. The V638R is perfect for anyone who experiences wrist and hand fatigue or discomfort when using a traditional mouse. The vertical design reduces the torsion of the forearm and wrist caused by the ergonomics of a traditional mouse. The DPI-variable, high-precision optical sensor can result in less hand movement and in turn reduce fatigue when working for extended periods of time.
✅ 4 DPI Settings- 800 | 1600 | 2400 | 3600 DPI
✅ Suited for Right-Handed Orientation
✅ 7 Customizable Buttons- Assign customized functions to each button with 3rd party software
✅ 6 RGB LED Settings
✅ Removable Magnetic Palm Rest
✅ Polling Rate- 250Hz
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 449 reviews
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Product Reviews
★★★★★ 4
Amazon should know how to deliver books without damaging.
Format: Board book, Format: Board book
This is a fantastic book and the back has fun facts, plus a dedication the minor planet Pluto that was not included. If you are Gen-x you know that acknowledging Pluto on the back just warms yor heart.
Most of the science info is on the back cover. The board book focuses on naming the planets and the artistry. I think this is great and the extra facts on the back are better for older kids who might want to pretend they are too big for baby books.
This is a really beautiful book, but there was damage. The lip is all suffered up and marred (2nd picture) and where you open the book (1st picture) there is already a wear crease. I blame the defects on Amazon, but a cellophane wrap might have helped prevent the damage
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Reviewed in the United States on November 2, 2025
★★★★★ 5
Fun way to learn about the planets
Format: Board book
An awesome book. One of my toddlers favorites. Love the cut outs and pictures as well as the content. Its a fun way to learn about the planets
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Such a great and important book
Format: Kindle
"Perseverance Makes Me Stronger" by Elizabeth Cole is an exceptional children's book that beautifully captures the essence of determination, resilience, and personal growth. Through the endearing story of young Nick and his roller skating journey, Cole delivers a powerful message that will inspire and motivate young readers.
The book revolves around Nick, a little boy who receives a pair of shiny new roller skates. Excitement quickly turns to frustration when Nick realizes that learning to skate is not as easy as he imagined. Discouraged by the challenges he faces, Nick contemplates giving up. However, with the unwavering support and guidance of his father, he learns the true meaning of perseverance.
Cole's storytelling is enchanting, and the relatable nature of Nick's struggles immediately captures the attention of young readers. The writing style is simple and accessible, making it easy for children to understand and engage with the narrative. The book is filled with colorful illustrations that vividly depict Nick's roller skating journey, further enhancing the reading experience.
One of the most commendable aspects of "Perseverance Makes Me Stronger" is the valuable life lesson it imparts. Through Nick's story, children learn the importance of persistence and the rewards that come with not giving up. The book teaches young readers that setbacks and challenges are a natural part of learning and growth, and that by persevering, they can overcome any obstacle.
The character of Nick is endearing and relatable, and children will easily connect with his feelings of frustration and self-doubt. As the story unfolds, they will witness his transformation, gaining a sense of empowerment and encouragement. Nick's journey serves as an inspiring example for young readers, showing them that with determination and support, they too can achieve their goals.
"Perseverance Makes Me Stronger" is an excellent tool for parents, educators, and caregivers to introduce children to the concept of perseverance in an engaging and relatable way. It opens up conversations about the importance of persistence, resilience, and the value of learning from mistakes. The book provides an opportunity for children to develop a growth mindset and understand that their efforts and dedication can lead to success.
In conclusion, "Perseverance Makes Me Stronger" by Elizabeth Cole is a heartwarming and impactful children's book that celebrates the power of perseverance. Through Nick's roller skating adventure, young readers are encouraged to embrace challenges, never give up, and discover their own inner strength. This delightful tale is sure to captivate young minds and leave a lasting impression, making it a valuable addition to any child's library.
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Reviewed in the United States on July 8, 2023
★★★★★ 5
Excellent children’s book on perseverance!
Format: Kindle, Format: Kindle
This is the seventh story about little Nick in the “World of Kids’ Emotions” series by author Elizabeth Cole.
I have read all the books in this series and have shared them with my young grandson over the years. Emotions can be difficult for boys and girls too!
I like how in this story Nick is trying rollerskating! He’s not doing very well and gets discouraged. Fortunately, his father offers some encouragement to persevere and keep at it!
His mother tried baking cakes. At first she did not do a good job, but later mastered the skill of baking cakes. Other examples are used throughout the book to show that trying to do your best and having a goal are great ways to approach persevering!
“Perseverance makes me stronger.” I love the positive messages that are in this book. Positive self talk and encouraging oneself are helpful tools. “No matter the outcome, at least I did try!” ”My dreams will come true because I believe in myself.”
There are some positive affirmations at the end of the book. And also a free coloring page that can be downloaded with a scan code.
The illustrations are very nice to look at and colorful. The artist did a lovely job. The illustrations go along with the storyline nicely.
The writing in this book has a pleasant flow with lots of rhyming words. “Perseverance means not quitting right away, but keep trying more and more, day after day.”
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Reviewed in the United States on June 11, 2023
★★★★★ 5
Great book to never give up
Format: Paperback
Great book! My son loves it!
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Reviewed in the United States on April 13, 2026
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