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Smartphone Accessories

Click here for smartphone-related items such as popular smartphone rings and mobile batteries indispensable for smartphone kids.

半袖Tシャツ
ロングスリーブTシャツ
ポロシャツ
パーカー
スウェット・ジャージ
トートバッグ
タオル
Particular condition
Item Category
Mobile Battery
Cell phone rings
Passcases
Smartphone accessories
Price

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24 result(s)

Create and print your own Custom T-shirts in 3 minutes, at low prices from just one piece, with same-day shipping available as soon as possible!
Why don't you create your own Custom T-shirts? Up-T can create your own Custom T-shirts with popular and recommended designs at low prices, starting from one piece.

Smartphone Accessories - Popularity Ranking

The No. 1 smartphone accessory in terms of popularity is the "Battery with Indicator 4000mAh. It is compact and has plenty of capacity, and its popularity is also due to the fact that it comes with an indicator, so you can see at a glance how much battery

Choose from a variety of Smartphone Accessories

List of Smartphone Accessories

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List of Original Items

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  • Reviews
  • Production Examples
Fast, Reliable, and Great Quality
I ordered one T-shirt using my own image along with some elements from your design editor. The result turned out really well. The fabric quality of the T-shirt was solid and matched the price. I was also impressed by how quickly the item was printed and shipped—just like it was already in stock. Thank you for the excellent work. I’d definitely order again.
Always Satisfied
The print came out exactly as I hoped. I'm always satisfied with your service.
Excellent Support and Flawless Finish
I really appreciated the quick response to my inquiries, especially regarding design advice and image adjustments. The final product was flawless, and I'm extremely satisfied. Thank you!
Exceeded Expectations!
I even received compliments from people around me, which made me feel great about choosing your service.
Great Result—Lesson Learned for Next Time
For better or worse, the shirt perfectly reflected the image I submitted. Because I didn’t crop the original image carefully, it printed some unnecessary parts too (my fault!). Since this was my first order, I learned how to improve for the next time—and I’ll definitely fix it when I reorder.
Great Quality & Excellent Support!
I ordered one for myself first because I wanted to check the quality—and it turned out great! So I placed an additional order for my team. Actually, I made a mistake with the second order, but when I contacted customer support, they canceled it immediately. The quick response was really impressive!
My Third Time Ordering – Always Satisfying!
This was my third time using the service. The production time is fast, and I love that you can check the preview beforehand. I always get exactly what I expect, with no surprises. Very reliable!
Perfect for Concert Days!
I added images and a logo to my design, and the final result was exactly what I imagined. I’m really satisfied with the print quality. Can’t wait to wear it to my favorite artist’s live show!
Smooth Order Process, But Slight Color Mismatch
I loved how easy it was to upload my design and preview the result. The shirt quality was great, but the printed colors were a bit more muted than expected. Not a huge issue, but I might brighten the image next time.
Great for Team Uniforms
We ordered matching shirts for our weekend soccer team. Everyone loved the fit and the design came out super clean. The sizing runs a little smaller than expected, so I recommend going one size up.
Super Quick Shipping and Decent Print
I was surprised how quickly the shirt arrived—much faster than I thought. The print was decent overall, though a few edges looked slightly blurred. Still wearable, but I’ll double-check image resolution next time.
Perfect Gift Idea!
I created a custom T-shirt as a birthday gift, and it was a total hit. The print was crisp, the shirt was soft, and the delivery was on time. Definitely coming back for holiday gifts.
Minor Alignment Issue, But Support Was Helpful
The design printed slightly off-center, but when I reached out, customer service responded quickly and offered a reprint. Appreciate the support, and I’m happy with the resolution.
Website Could Be Smoother
Designing was fun, but the editor lagged a bit on my phone. On desktop, it worked great. The shirt itself arrived exactly as designed, so no complaints about the final product!
Kids Loved Their Custom Shirts
I ordered a few T-shirts for my kids with their drawings on them. The smiles on their faces were priceless! Colors came out vibrant, and the shirts fit perfectly.
Nice Product, But Would Love More Fabric Options
The shirt quality was nice and the print was spot-on, but I’d love to see more fabric types—maybe a softer cotton or a sleeveless option in the future?
Impressed with the Print Accuracy
My design had tiny details and text, so I was a bit worried, but it came out super sharp. Really impressed with the accuracy! Will definitely recommend to friends.
Easy, Affordable, and Fun to Use
The whole process—from design to delivery—was super easy. Prices are reasonable, and it’s just fun to create something custom. I’ve already told a few coworkers about it.
プロバスケットボールのチームＴシャツ
Professional basketball team T-shirts
Tシャツ制作が大きな売上につながりました。
T-shirt creation led to big sales.
チームTシャツで発注しました。
We placed an order for team t-shirts.
テレビ番組のＴシャツ作成
T-shirt creation for TV show
チャリティマラソンのチームTシャツの制作
Team T-shirt creation for charity marathon
イベントに使用させていただきました。
We used them for our events

FAQ

  • Can I order even one original T-shirt?

    Anyone can easily create and order original T-shirts with Up-T's free and easy-to-use design tool, which is exclusive to Up-T.Original T-shirts List

  • Delivery time after order

    Orders placed by 2:00 p.m. on the same day will be shipped 3 business days later, including the same day.

    If you are in a hurry, please apply for same-day shipping.

    (Weekends and holidays are not included.) If it is after 2:00 p.m., the next day is counted as one business day, and the order will be shipped after 3 business days.

  • Payment Methods

    We offer various payment methods such as credit card, deferred payment at convenience stores, cash on delivery, bank transfer, AmazpnPay, Rakuten Pay, various carrier payments, and LINEpay.

  • Application of pretreatment agents

    Precautions for finishing (pretreatment agent) When printing on fabric products

    A treatment agent is applied to fix the print,

    In order to deliver products quickly and at a low price, we ship products with the treatment agent still applied.

     

    The treatment agent itself is harmless to the human body and can be washed off with water,

    We apologize for the inconvenience, but we ask that customers wash the garments themselves before wearing.

     

    1 Please note that regardless of whether the order is a regular order or a direct shipment order (sales), it may be delivered with the pre-treatment agent remaining in the package.

    2: The treatment agent is more noticeable on dark colors than on light colors, and may not be removed after one washing, but will gradually lessen.

  • Recommended data size

    For T-shirts, the recommended image size is 3600×4890 pixels or larger with a resolution of 300 dpi. However, smaller images can also be submitted. However, please note that some images may be rough. If the image covers the entire printing area of the T-shirt, an enlarged print of the original uploaded image on a full sheet of A4 paper will be close to the finished image.

  • Issuance of Receipt

    If the "Shipper Information" is left blank, it will be included with the merchandise. Please fill in the address part by yourself as it is left blank. 

    For bank transfers of 50,000 yen or more, a receipt is not included.

    The "Receipt E-mail" sent to you by e-mail at the time of transfer confirmation will be the receipt we can issue.

    Please note that we do not accept mail with revenue stamps attached.

     

    Please note that a receipt will not be included if "Shipping Information" has been entered.

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