Dear Customers,

In order to express our gratitude for your trust and companionship over the past time, Hoang Hai Mobile respectfully introduces the GOLDEN WEEK 2025 program with a series of attractive promotions and valuable gifts, applicable to the entire product catalog.

Applicable time

The program officially applies from April 15 to May 11, 2025.

List of promotions at Hoang Hai Mobile

1. Android phone

Samsung S24 | S25 Ultra:
🎁 Special offer price + extra 4,000 yen discount

Redmi Note 13 | Note 13 Pro+ | Redmi 9T | Oppo A55s | Reno 11A:
🎁 Free Docomo 10GB calling SIM card for 7 months worth 15,200 yen

Reno 10 Pro 256G:
🎁 Free Docomo 33GB calling SIM card for 10 months worth 26,000 yen

2. Old iPhone from 11 series and above: Free Docomo 10GB calling SIM for 7 months worth 15,200 yen

3. New iPhone: Free 20W DEKEY 10,000mAh USB-C power bank worth 2,980¥ and Dekey 3D tempered glass worth 1,500¥

4. Old iPad: Free 20W DEKEY 10,000mAh USB-C power bank worth 2,980¥

5. Dell 3590 Laptop: Free iPhone 6 worth 8,800¥

6. SIM Data: Free 20W DEKEY 10,000mAh USB-C power bank worth 2,980¥

7. Call SIM: Free Android phone worth up to 29,800 yen

8. Audio Collection: Get 1,000 yen off when ordering via Hoang Hai Mobile app

List of promotions at Hoang Hai Watch

1. Buy 1 Get 1 Free Watch: Jacques Lemans worth 14,800¥

2. Orient Star Joker Watch: Free JBL Flip 6 speaker worth 17,600 yen

3. Watches over 10,000 yen: Free Docomo 10GB calling SIM card for 7 months worth 15,200 yen

HOANG HAI – WHERE TO PLACE TRUST

At Hoang Hai, we don't just sell products – we deliver experiences.
With a 7-day trial and return policy, the longest warranty policy in Japan up to 18 months. You can be completely assured when choosing products at Hoang Hai.

Whether it is a phone, laptop, sim-wifi or watch, each product comes with dedicated after-sales service, quick return support, transparent warranty, and is always ready to accompany customers throughout the usage process.

Choose Hoang Hai - choose peace of mind!
We believe that a good device needs to come with a worthy service - and that is what Hoang Hai always strives to bring every day. Hoang Hai hopes that the Golden Week 2025 promotion program will be the ideal time for you to enjoy shopping and upgrading technology devices at the best price of the year!

Order at
🌐 Website: hoanghaimobile.jp or hoanghaiwatch.com
📲 Download App: Hoang Hai Mobile – available on App Store / Google Play