Borofone BE57 Wireless Headphones Sports Black

Weight: 100 g
Equipment: Wireless headphones, charging cable, original packaging.
Design: Invoices
Product color: Black
Description: Design: on-ear, device type: TWS wireless headphones, design features: for sports, microphone, detachable cable, plug connector: USB Type-C, acoustic design type: semi-open, functions: call
Width: 130
Height: 30
Plug connector: USB Type-C
Functions: Call voice assistant, surround sound, volume control
Working hours: 6 h
Battery capacity: 125 mAh
Thickness: 20 mm
Standby time: 72 h
Talk Time: 6 h
Impedance: 32 ohm
Sensitivity: 90 dB
Included: USB Type-C cable, microUSB cable
Length of cable: 1m
Design features: For sports, microphone, detachable cable
Charging time: 2 h
Device type: Wireless tws earphones
Mount type: Occipital arch
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Number of microphones: 2
IP protection class: IP10
Bluetooth version: 5.1
Membrane diameter: 40 mm
Type of acoustic design: Semi-open
Supported codecs: AAC, LDAC
Wireless connection type: Bluetooth
Sensitivity options: DB/mW