Legal notice
Seller:
Boost Kernel Co., Ltd.
Representative Person:
Huang Haitao
Address:
4-5-11 Sendagaya, Shibuya-ku, Tokyo 151-0051, Japan
Phone:
+81-(0)3-6681-4659
Email:
info@jstarcards.co.jp
Website URL:
http://www.jstarcards.jp
Support Hours
Business Hours: 10:00 – 18:00 (excluding Saturdays, Sundays and Japanese national holidays)
Inquiries received outside business hours please contact us via email.
Product Prices
Please refer to each product page for pricing details.
Shipping Fee
- Free domestic shipping within Japan.
All domestic shipments in Japan are exclusively delivered via Japan Post Yu-Packet service.
Additional Charges (Excluding product price)
No extra processing fees for convenience store payment or cash-on-delivery.
Delivery Lead Time
Orders will be shipped within 5 business days from the order date.
Shipments are sent via Japan Post Yu-Packet; delivery takes 2 to 5 business days after dispatch depending on the destination.
Payment Options & Billing Timing
Accepted payment methods: Credit Card, Wallet Pay (Apple Pay, Google Pay), Shop Pay
- Credit Card: Payment is authorized and charged at the time of order placement.