The Sandberg USB-C/A In-Earset with Line-Mic, item 126-50, is a wired in-ear headset for smartphones, tablets and computers. Its cable microphone and answer button let you take incoming calls from the headset, and the metal casing is part of the earpiece construction.
The 1.2-metre cable connects through USB-C; the included adapter provides USB-A connection. The speaker’s stated frequency range is 20 Hz–20 kHz, with 16 Ohm impedance and a 10 mm diameter.
Package contents: headset, USB-C-to-USB-A adapter and three pairs of changeable earcaps.