Technics EAH-A1000 / Sony WF-C710N

The manufacturer says the Japan date may slip because of social conditions or supply; monthly production is stated as 2,000 units.

Listed by Panasonic as wireless stereo headphones.

Model code suffixes; the image shows the black (-K) version.

Technics also lists an SST edge and a flat baffle structure.

Technics says the SST edge comes from its SB-R1 flagship speaker.

Adjusts automatically to surroundings and fit.

Technics says AI trained on human voices suppresses wind and background noise.

Band 2400-2483.5 MHz. LE Audio is supported; the Bluetooth version number is not given in the document.

Multipoint does not work when the LE Audio setting is set to prefer LE Audio. Of the 10 registered devices, at most 4 can be LE Audio.

The earbuds stay connected to two devices at once, so a phone call can be answered while listening on a computer.

Technics asks that the included USB cable be used.

Use requires settings in the Technics Audio Connect app and on the phone.

The manufacturer says times can be shorter depending on use.

Battery capacity (mAh/Wh) is not given.

No touch surface.

The manufacturer says the design aims to spread pressure across the head.

Sound Share works only between the same model.

The packaging is plastic-free.

The figures are for one charge of the earbuds; total time with the case is not listed on Sony's page.

Wireless charging is not listed for the case.

There is no LDAC or aptX; AAC is a common codec that works well with iPhones and most Android phones.

Quick Attention lowers the music and lets outside sound in while a finger is held on the earbud. DSEE aims to restore high frequencies lost in compressed music.

IPX4 protects against splashing water; the earbuds should not be submerged.