Headphones Oklick BT-S-155 red wireless bluetooth in the ear.

Design: Intracanal
Description: Design: in-ear, device type: wireless headphones, design features: microphone
Sensitivity: 102 dB
Design features: Microphone
Device type: Wireless headphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Bluetooth version: 5.0
Membrane diameter: 10 mm
Wireless connection type: Bluetooth