Wireless with charging case / wireless bluetooth with touch control, built-in power bank

Design: Intracanal
Product color: Black
Description: Design: in-ear, device type: wireless headphones, Active Noise Canceling ANC, design features: microphone, acoustic design type: closed, operating time: 280 h
Working hours: 280 h
Impedance: 32 ohm
Design features: Microphone
Device type: Wireless headphones
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Bluetooth version: 5.1
Type of acoustic design: Closed
Wireless connection type: Bluetooth
Active Noise Canceling ANC: There is