BT Headset in-ear Perfeo ARGON white

Weight: 11 g
Design: Liners
Product color: White
Description: Design: in-ear, device type: mono Bluetooth headset, design features: microphone, acoustic design type: semi-open, operating time: 4 h
Working hours: 4 h
Battery capacity: 60 mAh
Sensitivity: 105 dB
Length of cable: 0.6 m
Design features: Microphone
Device type: Mono bluetooth headset
Mount type: Neckband
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Bluetooth version: 5.0
Type of acoustic design: Semi-open
Wireless connection type: Bluetooth
Sensitivity options: DB