BOROFONE BW09 Sound true Wireless Earphone black

Equipment: Headphones, USB - Type-C cable, documentation
Design: Liners
Product color: Silvery
Description: Design: earbuds, device type: wireless TWS headphones, design features: microphone, case charging type: USB Type-C, acoustic design type: semi-open, functions: voice assistant call, p
Functions: Calling the voice assistant
Working hours: 4 h
Battery capacity: 300 mAh
Standby time: 120 h
Talk Time: 4 h
Impedance: 32 ohm
Sensitivity: 95 dB
Included: USB Type-C cable
Design features: Microphone
Charging time: 1 hour
Device type: Wireless tws earphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Bluetooth version: 5.1
Type of acoustic design: Semi-open
Case charging time: 1 hour
Case battery capacity: 300 mAh
Case charging type: USB Type-C
Weight of one earpiece: 3 g
Battery capacity for one earphone: 30 mAh