Yukai Engineering mirumi Sensor-Reactive Bag Charm Robot

mirumi｜ AI Vitamin

: Yukai Engineering Inc.
: Shinjuku, Tokyo, Japan

Pink mirumi attached to a shoulder-bag strap

AI summary

mirumi is a plush bag-charm robot that grips a strap and turns its head in response to sound and touch using local sensors, with no AI model, app or account.

Reference pricing

Prices recorded for Japan. See sources for current details.

Hardware options

Option	Listed price
mirumi	¥22,000Source · Observed Nov 5, 2026

Specifications

Key hardware details first, followed by the complete product specification.

Key specifications

Supported tasks: Turns its head toward sounds, reacts to a touch or pat, and can glance independently
Sensors and data capture: Side sound sensors and a touch sensor at the back of the head
Battery life: Approx. 8 hours, depending on activity

Capabilities & dependencies

Core task internet requirement: No internet connection needed
AI capability: Sensor-driven behavior; the official UK FAQ expressly identifies mirumi as a non-AI device

Connection & companion

Account requirement: No app or account needed

Design & carry

Dimensions: Approx. 100 × 110 × 140 mm (W × D × H, including arms)
Weight: Approx. 155 g
Materials: ABS mechanism; TPU arms; acrylic fur; backing 55% acrylic and 45% polyester
Officially listed colours: Pink, ivory and gray, plus limited black in Japan