Sony MDR-EX750NA Wired In Ear Earphone (Black)

32 ? at 1 kHz (when the power is on), 17 ? at 1 kHz (when the power is off)

103 dB/mW (when the power is on), 100 dB/mW (when the power is off)

5 Hz 40,000 Hz

Closed, dynamic

9 mm, dome type (CCAW adopted)

40 dB (0 dB = 1 V/Pa)

Plug adaptor for in-flight use (dual); Earbuds (4 pairs): SS (1 line), S (2 lines), M (3 lines), L (4 lines); Carrying pouch; Micro USB cable (approx. 1.0 m); Clip

Approx. 1.5 m Litz wire

Y-shape

Approx. 2.5 Hours (Full charge),DC3.7V : Built-in litium-ion rechargeable battery; DC 5 V (When charged using USB)

Approx. 16 Hours (Fully charged); Approx. 10 Hours of continuous communication after 1 Hour charge

150 mW (IEC)

100 gm

L-shaped gold-plated 4-pole mini plug,Approx. 5 g (headphones), 5g (control box), 16g (battery box)
*Passive Operation-Yes (Use as passive headphones even when power supply is OFF)
*Electret Condenser,Omni directional,Hands-free calls with in-line remote and microphone,Style statement with the distinctive single shape design

Neodymium

Earphone