Wireless headphones, Borofone BW09 with charging case, grey.

Design: Liners
Product color: Silver
Description: Design: in-ear, device type: wireless headphones, case charging type: USB Type-C, operating time: 4 h
Working hours: 4 h
Impedance: 32 ohm
Sensitivity: 95 dB
Included: USB Type-C cable
Device type: Wireless headphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Bluetooth version: 5.1
Wireless connection type: Bluetooth
Case charging type: USB Type-C
Weight of one earpiece: 3 g