A retro and stylish cassette tape-shaped Bluetooth speaker is here! SD cards can be inserted, allowing you to enjoy. it like old mixtapes. Lightweight and compact, the storage case doubles as a stand * When the lid is closed, the sound quality changes, allowing you to adjust the sound quality depending on how you use it.
[Size] Main unit size: approx. 100 x 63 x 12mm, dedicated case size: approx. 114 x 80 x 22mm, weight: approx. 80g (including dedicated case)
[SPEC] SPEC Product Name: 90 Cassette Speaker Main Material: ABS resin, iron Size: approx. 100 x 63 x 12mm Weight: approx. 80g (including dedicated case) Bluetooth: 5.3 Battery Capacity: 400mAh (lithium-ion battery) Rated Voltage: 5V⎓1A Power Consumption: 2W Continuous Playback: Approx. 6 hours (at maximum volume) Charging Time: Approx. 2 hours Technical Standard Conformity Certificate: R219-239467
[Accessories] Dedicated case / USB cable (USB Type-C / USB Type-A) Instruction manual / Warranty card (valid for 6 months from the date of purchase)
[Note] *This product is not a cassette tape.
This is a Bluetooth speaker inspired by cassette tapes.
Brand: opt!
Maximum speaker output: 2 watts
Connection technology: Bluetooth
Audio output mode: Stereo
Input voltage: 5 volts (DC)
Brand Introduction: The Fusion of the Charm of the Good
Times and Modern Technology Cassette Speaker By blending
products with the charm of the good old days with modern technology, design, and new ideas, we create new value that is loved across generations.
Rather than simply remaking or reviving, we enrich people's lives by offering innovative products that respect their original uses and appeal while aligning with modern lifestyles.
Visit Store Product Description
OPT90 CASSETTE SPEAKER / Cassette Speaker Emotional sound quality reminiscent of old cassette tapes.
Product Specifications:
At first glance, it looks like a traditional cassette tape, but this is actually a 'speaker.'
You can't play it back with a boombox! Please note. I
quickly took the cassette tape out of my bag, and the sound started coming from there.
Already interesting.
And the sound coming from there has a classic cassette tape quality.
Combined with the design, it's irresistibly emotional.
Pay attention to the startup sound when you turn it on!
The transparent storage case can be folded in the opposite direction to create a simple stand. When you insert the
microSD card into the part (1), a notification sound will sound as "SD mode," and the audio saved on the microSD card will automatically playback.
(2) Volume down (hold press), Track Return (press once) (3) Power switch (press and hold), Play/Pause (press once), Mode Switch (press twice ) (4) Volume Up (press and hold), Track Forward (press once )
Charging is via USB Type-C. A
charging cable is also included.
The short charging cable can be stored in a transparent case, making it convenient to carry!
Japanese electrical products typically operate at 100V input voltage (Type A plug). If the voltage is not specified in the description or Item Specifics, the product may only support 100V input. A voltage converter may be required to use 100V devices in your country. Please contact the seller for accurate input voltage details.
- Economy Shipping :
USA: 2-3 weeks, Air Mail with Tracking number
ASIA: 2-4 weeks, Air Mail with Tracking number
EU, UK: 2-4 weeks, Air Mail with Tracking number
AU, NZ, CA: 2-4 weeks, Air Mail with Tracking number
- Standard Shipping : Air Mail/EMS/Other shipping methods
- Expedited Shipping :
USA: 2-5 days, Fedex/DHL-Express/EMS with Tracking number
ASIA: 2-5 days, Fedex/DHL-Express/EMS with Tracking number
EU, UK: 3-6 days, Fedex/DHL-Express/EMS with Tracking number
AU, NZ, CA: 3-6 days, Fedex/DHL-Express/EMS with Tracking number
*)Depending on the destination address and type of product, the planned shipping method may be changed. If you want to know the shipping method, please contact us before purchase.
*)If you need faster shipping, please contact us before purchase.
Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying.
These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges.
EU Right of Withdrawal: If you are a consumer in the European Union, you may withdraw from this purchase within 14 days of delivery without giving any reason. In addition to notifying us by eBay message, you can exercise this right by selecting the "Return item" option on your Purchase History or Order Details page and choosing the "Withdrawal from Contract" reason. You may also exercise your Right of Withdrawal online at https://www.ebay.com/help/account/regulatory/eu-right-of-withdrawal?id=5835.
EU Import Duty Notice (effective July 1, 2026): Following the EU customs reform, parcels with a declared value of EUR 150 or less are subject to a flat duty of EUR 3 per item type when imported into the European Union.
- If your order ships by express courier (DHL / FedEx via SpeedPAK), this duty is prepaid by us and no further charge applies to you.
- If your order ships by standard mail (Japan Post), the duty is collected from you (the recipient) by your local customs or postal service on delivery.
Please take this into account before purchasing.
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