HP-E407B
It’s mock up sample and not individually available for sale
TECH SPEC.
Bluetooth Headphone
SPEAKER
Driver Unit: φ35mm
Magnet Type: Neodymium
Frequency Response: 20Hz ~ 20kHz (Use -20dB at 1kHz as Ref.)
Sensitivity: 100 ± 3dB at 1kHz
Impedance: 32Ω at 1kHz
Max. Input Power: 30mW
MICROPHONE
Microphone Size: φ6 x 2.2mm
Sensitivity: -36 ± 3dB at 1kHz (0dB=1V/Pa)
Frequency Response: 50Hz ~ 16kHz
S/N Ratio: 58dB
Directional Characteristics: Omni-Directional
Feature: Clear Voice Capture Technology (CVC)
WIRELESS
Bluetooth v4.2
Operation Range: Up To 10 Meters
Profile Supported: A2DP/AVRCP/HSP/HFP
BATTERY
Battery Capacity: 3.7V/350mAh
Operation Time: 12 hrs (Typical)
Battery Charging Time: 3 hrs