Headphones wired BOROFONE BM31 Mysterious universal earphones 3.5mm color black

Weight: 11 g
Design: Intracanal
Description: Battery type: Li-Ion; Range: 10 m; Battery type: own Li-Ion; Range: 10 m; Removable battery: yes; Answer/end conversation: yes; Repeat last number: yes; Support for r� profiles
Plug connector: mini jack 3.5 mm
Functions: FM radio, MP3 player, voice assistant call, volume control
Standby time: 24 hours
Talk Time: 24 hours
Impedance: 32 ohm
Sensitivity: 98 dB
Length of cable: 1.2 m
Design features: Wired, sports, microphone, straight plug
Device type: Wired headphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 2 Hz
Technology: Dynamic
Number of microphones: 1
Membrane diameter: 10 mm