km5 is a Japanese audio hardware label founded in 2021 by a longtime product designer. Its hallmark lies in minimal, lifestyle-oriented products like the “Instant Disk Audio” CD players and “Lightwear” headphones that merge style and functionality. With art-friendly design, wall-mount capability and genuine audio performance, km5 is a compelling choice for global music and design enthusiasts.

GEO is a Japan-based online retailer offering electronics, games, and lifestyle goods, both new and pre-owned with clear condition grading. Known for its trusted second-hand market and curated Tokyo inventory, GEO gives global buyers access to unique hardware bundles, rare editions, and products that embody Japan’s vibrant gaming culture.

ambie is a Japanese audio brand pioneering ‘open-ear’ listening with its ear-cuff style earbuds, allowing users to enjoy music while staying aware of their surroundings. Launched in 2017 as a joint venture with Sony, their pieces combine design, comfort and daily practicality — perfect for global listeners seeking a different sound experience.

Founded in 1998, IOSYS has over 25 years of experience in Japan’s second-hand electronics market, specialising in carefully graded smartphones, tablets and PCs. With strong inspection and data-erasure processes, and stores in Akihabara, Shinjuku, Osaka, Nagoya and Fukuoka, it offers trusted value for tech buyers.

Founded in Tokyo in 1991, GREEN HOUSE is a Japanese electronics brand that combines refined design with precision engineering. From PC peripherals and AV gear to kitchen and lifestyle appliances, every product reflects meticulous craftsmanship, reliable performance, and the spirit of innovation that defines modern Japanese quality.

Fumo Collection is the official online store of an original brand produced by Fumoffu no Omise. Known for offering a wide range of gaming devices for both everyday use and the professional eSports scene, the store now brings exclusive collaborations with various popular anime titles.

FUJIYA AVIC has been rooted in Tokyo’s Nakano Broadway for over 30 years, specializing in headphones, AV gear, and professional audio-visual equipment. In addition to offering great prices, they also provide trade-in and buyback services, making it easy to upgrade your AV experience.