Japanese firm aims for Guinness World Records book with the world’slongest ringtone

Japanese firm aims for Guinness World Records book with the world’s longest ringtone. A Japanese firm, Dwango, aims for a Guinness big book of records with the world's longest ringtone with their 61 minutes and 40 seconds long melody.

Supplier Dwango has previously made a ringtone that is audible only to dogs, so it has some form in the field. All Dwango's ringtones are available as part of a ¥315 (£1.70) monthly package.

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