Nagaoka BT821
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Specifications
- Bluetooth version
- 5.0
- Communication distance
- Up to about 10 m
- Waiting time
- Up to 120 hours
- Continuous talk time
- Up to 4 hours
- Continuous music playback time
- Up to 5 hours
- charging time
- About 2 hours
- driver
- 10 mm
- Sound pressure sensitivity
- 42dB
- Impedance
- 16 Ω
- Playback frequency band
- 20-20000 Hz
- Cable length
- 65 cm
- weight
- 13 g
- Accessories
- Ear tip (SML), charging cable, instruction manual and warranty
- Compatible models
- Smartphone, tablet
- Release date
- June 25, 2020
- Warranty period
- 6 months after purchase
Bluetooth
Manufacturer's Description — Nagaoka
Although it is priced at 1480 yen, it uses an aluminum housing, making it an inexpensive housing.
It has a large capacity battery with a playback time of about 5 hours.
The left and right earphones are equipped with magnets, and when not in use, they are worn around the neck like a necklace to prevent loss.
Verified Dealers
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Authorized dealers for Nagaoka BT821
- Absolute Audio - Canada — in-store — Calgary, Alberta, Canada (website)
- Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
- ALAIN CHOUKROUN — online and in-store — Paris, Île-de-France, France (website)
- Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
- American Sound — in-store — Richmond Hill, Ontario, Canada (website)
- Analogue Seduction — online and in-store — Whittlesey, England, United Kingdom (website)
- Area Hifi — online and in-store — L'Eixample, Comunidad Valenciana, Spain (website)
- Art et son — online and in-store — Montréal, Québec, Canada (website)
- Art Sonique — France (website)
- Audio Affair — online and in-store — Deritend, England, United Kingdom (website)
and 96 more verified dealers