Wireless headphones BOROFONE LISTEN SONG 3 version / for smartphone / case as a gift

Weight: 3.1 g
Equipment: Case, headphones, cable
Design: Liners
Product color: White
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
Plug connector: Lightning
Functions: Call voice assistant, surround sound, volume control
Working hours: 4 h
Battery capacity: 250 mAh
Standby time: 120 h
Talk Time: 4 h
Impedance: 32 ohm
Sensitivity: 90 dB
Design features: For sports, microphone
Charging time: 1.5 h
Device type: Wireless tws earphones
Mount type: Ear mount
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Number of microphones: 2
Type of acoustic design: Semi-open
Supported codecs: AAC
Wireless connection type: Bluetooth
Case battery capacity: 250 mAh
Case charging type: Lightning
Weight of one earpiece: 6 g
Sensitivity options: DB/V
Battery capacity for one earphone: 30 mAh