Esperanza EH220 Bluetooth headphones Headband, Black

Performance
Product colour: Black
Wearing style: Head-band
Headset type: Binaural

Ports & interfaces
Bluetooth profiles: HFP, HSP, AVRCP, A2DP
Bluetooth version: 5.0
Bluetooth: Yes
Wireless range: 10 m
Connectivity technology: Wireless

Battery
Continuous audio playback time: 5 h
Power requirements: 5V DC
Battery technology: Lithium Polymer (LiPo)
Talk time: 7 h
Battery capacity: 200 mAh
Battery recharge time: 2 h

Microphone
Microphone sensitivity: -42 dB
Frequency response: 30-16000 Hz

Headphones
Headphone frequency: 20 - 20000 Hz
Headphone sensitivity: 105 dB
Impedance: 32 Ω
Driver unit: 4 cm

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