HARPER HB-521 Wireless Headphones

Weight: 5.1 g
Design: Intracanal
Description: Design: in-ear, device type: wireless TWS headphones, design features: microphone, case charging type: micro USB, acoustic design type: closed, functions: voice assistant call, control
Additional Information: Range: 10 m; Screen: yes; Answer/end conversation: yes; Replaceable ear pads: yes
Functions: Voice assistant call, volume control
Working hours: 5 h
Talk Time: 5 h
Impedance: 16 ohm
Sensitivity: 100 dB
Design features: Microphone
Charging time: 1.5 h
Device type: Wireless tws earphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Bluetooth version: 5.0
Membrane diameter: 7 mm
Type of acoustic design: Closed
Wireless connection type: Bluetooth
Case battery capacity: 400 mAh
Case charging type: micro USB
Battery capacity for one earphone: 45 mAh