Wireless TWS CRYSTAL, HiFi, Bluetooth 5.3, Strap, transparent black case, WinStreak

Design: Liners
Product color: Black
Description: Design: in-ear, device type: wireless TWS headphones, design features: for children, for sports, microphone, charging case type: USB Type-C, plug connector: USB Type-C, acoustic design type: half-open, f
Plug connector: USB Type-C
Harmonic coefficient: 15 %
Functions: FM radio, MP3 player, surround sound, headphone search
Working hours: 4 h
Battery capacity: 250 mAh
Standby time: 150 h
Talk Time: 4 h
Sensitivity: 95 dB
Included: USB Type-C cable
Length of cable: 0.3 m
Design features: For children, for sports, microphone
Charging time: 1 hour
Device type: Wireless tws earphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Reinforcing + dynamic
Number of microphones: 2
Fast charging: 1
Type of acoustic design: Semi-open
Supported codecs: SBC
Wireless connection type: Bluetooth
Case charging time: 1 hour
Case battery capacity: 250 mAh
Case charging type: USB Type-C
Sensitivity options: DB/V
Battery life in case: 5 h
Battery capacity for one earphone: 30 mAh