HP-E121B

TECH SPEC.

True Wireless Stereo Earphone

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SPEAKER

Driver Unit: φ6.4mm
Magnet Type: Neodymium
Freq. Response: 20Hz ~ 10kHz (Use -20dB at 1kHz as Ref.)
Sensitivity: 99 ± 3dB at 1kHz
Impedance: 16Ω

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MICROPHONE

Microphone: MEMS MIC.
Sensitivity: -42 ± 3dB at 1kHz (0dB=1V/Pa)
Freq. Response: 100Hz ~ 10kHz
S/N Ratio: 59dB
Directional Characteristics: Omni-Directional
Feature: Clear Voice Capture Technology (CVC)

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WIRELESS

Bluetooth: BT 5.0 with aptX
Freq. Band: 2.402 ~ 2.478GHz
Operation Range: Up To 10 Meters
Profile Supported: A2DP/AVRCP/HSP/HFP

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BATTERY

Battery Capacity: 3.7V/55mAh (Earphone),  3.7V/360mAh (Capsule)
Operation Time: 4 hrs (Typical)
Battery Charging Time: 1 hr (Earphone), 2 hrs (Capsule)