Time passage
Time passage
Time passage
Time passage
Time passage
Time passage
Time passage
Time passage
Time passage
Time passage
Time passage
Time passage

須賀 広大

Time passage

¥84,000  (tax included) Sale Save
Streamlined design is timeless


The expressive metal coloring that overturns the image of metal was born through many experiments and ingenuity by the artist.

The copper art piece that changes color over time gives the earphones a feeling of antique enjoyment. Metal coloring is a technique derived from crafts that produces coloring through the reaction of metals and chemicals. , everything is original.

You can choose from 3 types of corrosion colors: BLUE GREEN, ORANGISH BROWN, and BLACKISH.

Charging case: W75.5 × D49.5 × H55mm

Art piece: copper/brass
Earphone exterior: Light-curing resin (hand coloring)

Click here for frequently asked questions >> FAQS


Sound art piece with 1 year free warranty.

Even after one year has passed, we will carefully respond to customer requests.

We will provide maximum support in cooperation with artists and artisans.

Spec information


SoC: Qualcomm QCC3040
Version: Bluetooth V5.2
Communication frequency range: 2.402GHz-2.480GHz
Communication Distance: Up to 10m without obstacles
Profile: A2DP, AVRCP, HFP, HSP
Codec: SBC, AAC, aptX, aptX adaptive
Pairing name: EARMIND


Driver: Dynamic 6.5mm 30Ω±4.5(15%)
Sound pressure level: 98±3dB
Playback frequency characteristics: 20HZ-20KHZ
Rated output: 2mW
Continuous playback time: Music playback time 7H (70% volume), talk time 4H


Battery: LIR1054 Lithium-ion battery 1C/45mAh
Charging time: about 1.5 hours

charging case

Battery: 600mAh lithium polymer battery, volumetric energy density: 318Wh/L
Charging time: about 2 hours
TYPE-C power input: 5V/1A
Dimensions: 75.5mm (L) * 49.5mm (D) * 55mm (H)


Waterproof grade: None Charging case weight: 78g Earphone weight: 7g (excluding one side and art piece)