Headphones S21 TWS, wireless, vacuum, BT5.0, 40/320 mAh, microphone, black

Weight: 60 g
Design: Intracanal
Product color: Black
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
Functions: Surround sound, headphone search
Working hours: 4 h
Battery capacity: 230 mAh
Standby time: 72 h
Talk Time: 4 h
Length of cable: 0.4 m
Design features: Microphone
Charging time: 2 h
Device type: Wireless headphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Number of microphones: 2
Fast charging: 1 hour
Bluetooth version: 5.1
Type of acoustic design: Closed
Wireless connection type: Bluetooth
Case charging time: 1 hour
Case battery capacity: 230 mAh
Weight of one earpiece: 8 g
Active Noise Canceling ANC: There is
Battery life in case: 5 h
Battery life with Active Noise Cancellation enabled: 4 h
Battery capacity for one earphone: 30 mAh