HP-E411B
It’s mock up sample and not individually available for sale
TECH SPEC.
True Wireless Stereo Earphone
SPEAKER
Driver Unit: φ20mm
Magnet Type: Neodymium
Frequency Response: 20Hz ~ 15kHz (Use -20dB at 1kHz as Ref.)
Sensitivity: 102 ± 3dB at 1kHz
Impedance: 18Ω at 1kHz
MICROPHONE
Microphone: MEMS MIC.
Sensitivity: -42 ± 3dB at 1kHz (0dB=1V/Pa)
Frequency. Response: 100Hz ~ 10kHz
S/N Ratio: 59dB
Directional Characteristics: Omni-Directional
Feature: Clear Voice Capture Technology (CVC)
WIRELESS
Bluetooth v5.0
Operation Range: Up To 10 Meters
Profile Supported: A2DP/AVRCP/HSP/HFP
BATTERY
Battery Capacity: 3.7V/55mAh (Earphone), 3.7V/150mAh (Charger)
Operation Time: 5 hrs (Typical)
Battery Charging Time: 1 hr (Earphone), 2 hrs (Charger)