Bluetooth headphones Dialog ES-25BT, black

Design: Liners
Product color: Black
Description: Design: earbuds, device type: wireless headphones, design features: microphone, case charging type: micro USB
Additional Information: Case - 300mAh, charging connector - microUSB
Battery capacity: 45 mAh
Standby time: 200 h
Impedance: 32 ohm
Sensitivity: 90 dB
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
Fast charging: 2
Bluetooth version: 5.0
Membrane diameter: 10 mm
Wireless connection type: Bluetooth
Case charging type: micro USB