Esperanza EH217K Bluetooth headphones Headband, Black

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

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

Battery
Battery recharge time: 2 h
Talk time: 10 h
Battery capacity: 300 mAh
Battery technology: Lithium Polymer (LiPo)
Power requirements: 5V DC
Continuous audio playback time: 7 h

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

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

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