Technics EAH-A1000 / Samsung Galaxy Buds4 Pro

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.

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.

Head gestures let you accept or reject a call by nodding or shaking your head.

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.

Separate drivers for bass and treble aim for better separation than a single driver covering both.

Voice Detect lowers the music and lets in ambient sound when you start talking.

Auto Switch moves the connection between Galaxy devices on the same Samsung account; Auracast lets several headsets join one broadcast.

IP57 limits dust ingress and survives brief immersion; the case is not stated to have the same rating.

Because there is no iPhone app, features such as EQ and ANC settings are not available on iOS.