Borofone BW21 wireless headphones black

Weight: 40 g
Equipment: Charging case, pair of headphones, Type-C cable, documentation
Design: Intracanal
Product color: Black
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
Width: 50
Height: 50
Additional Information: Support phone calls, power indication, play/pause function, track rewind, support master-slave switching, Siri call.
Plug connector: USB Type-C
Functions: Voice assistant call, surround sound
Working hours: 6 h
Battery capacity: 250 mAh
Thickness: 25 mm
Standby time: 120 h
Talk Time: 35 h
Impedance: 32 ohm
Sensitivity: 98 dB
Included: USB Type-C cable
Length of cable: 1m
Design features: Child's, sports, microphone, detachable cable
Charging time: 2 h
Device type: TWS wireless earphones, Bluetooth earphones
Mount type: Without attachment, in the ear
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Number of microphones: 2
Fast charging: 90
IP protection class: IP10
Bluetooth version: 5.3
Membrane diameter: 10 mm
Type of acoustic design: Closed
Supported codecs: AAC, LHDC
Wireless connection type: Bluetooth
Case charging time: 2 h
Charging case height: 28 mm
Charging case depth: 30 mm
Case battery capacity: 250 mAh
Case charging type: USB Type-C
Charging Case Width: 40 mm
Weight of one earpiece: 3 g
Sensitivity options: DB/V
Battery life in case: 12 o'clock
Battery capacity for one earphone: 25 mAh