Headphones HARPER HB-500 Bluetooth Headband Headphones with Microphone

Design: Invoices
Description: Design: on-ear, device type: wireless headphones, design features: for sports, microphone, acoustic design type: closed, functions: volume control, operating time: 6 hours
Additional Information: Range: 10 m; Custom Design: Yes; LED indicator: yes
Functions: Volume control
Working hours: 6 h
Battery capacity: 100 mAh
Standby time: 30 h
Impedance: 24 ohm
Sensitivity: 112 dB
Design features: For sports, microphone
Charging time: 1.5 h
Device type: Wireless headphones
Mount type: Occipital arch
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Type of acoustic design: Closed
Wireless connection type: Bluetooth