Wireless Bluetooth with PowerBank function and LCD display / IOS, ANDROID, WINDOWS / 2000 mAh / Bluetooth 5.1

Design: Liners
Product color: Black
Description: Design: in-ear, device type: TWS wireless headphones, ANC Active Noise Canceling, acoustic design: closed, functions: MP3 player, surround sound, operating time: 250 h
Functions: MP3 player, surround sound
Working hours: 250 h
Impedance: 32 ohm
Sensitivity: 98 dB
Device type: Wireless tws earphones
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
IP protection class: IPX7
Bluetooth version: 5.1
Type of acoustic design: Closed
Wireless connection type: Bluetooth
Active Noise Canceling ANC: There is