Esperanza EH219 Bluetooth RGB headphones Headband, Black

Weight & dimensions
Weight: 140 g

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

Ports & interfaces
Bluetooth profiles: A2DP, HFP, AVRCP, HSP
LED backlight: Yes
Bluetooth: Yes
Backlight colour: RGB
Wireless range: 10 m
3.5 mm connector: Yes
Bluetooth version: 5.0
Connectivity technology: Wireless

Battery
Power requirements: 5V DC
Battery recharge time: 2 h
Battery capacity: 250 mAh
Talk time: 10 h
Battery technology: Lithium Polymer (LiPo)
Continuous audio playback time: 7 h

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

Headphones
Driver unit: 4 cm
Impedance: 32 Ω
Headphone frequency: 20 - 20000 Hz
Headphone sensitivity: 105 dB
Ear coupling: Circumaural
Output power: 0.1 W
Volume control: Yes

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