Sony

pTron

MDR-EX255AP

Boom Ultima 4D

Wired Headphone Specification

Wired Headphone Specification

In Ear Canal

In Ear

Neodymium

Dynamic

12 mm

4 X 8 mm

16 ohm

32Ω ±15% Ohms

106 dB/mW

101dB±3dB

5 Hz - 25,000 Hz

20Hz - 20KHz

100 mW

30 mW

NA

Passive Noise Cancelling

Black, Blue

Black, Blue

3.5 mm

3.5 mm Gold-Plated Jack

Tangle- Free Cable

Tangle Free Cable

3 gm

20 GM

Smartphone compatible, with in-line remote mic.
Inline remote and mic for hands-free calls.
Comfortable, secure-fitting silicone earbuds.
L-shaped gold-plated 4-pole mini plug.
Lightweight for ultimate music mobility.
Y-shaped cord type, 1.2 m length.
The cable has a serrated design to resist snags and tangles, keeping your headphones knot-free.
High-sensitivity 12 mm driver units deliver clear highs and powerful lows from a compact design.

pTron Boom Ultima 4D Deep Bass Stereo Earphones Dual Driver Sports Headset with Mic for All Smartphones.
pTron Boom Ultima in-ear headphones are widely compatible with all 3.5mm audio jack smartphones, tablets, MP3/MP4 Players, Laptop/Desktop Computers, and other audio devices.
Listen to your music for longer with a comfortable, secure fit that won’t fall off; experience an in-ear soft silicone ear cap design that adjusts to your ear for maximum comfort.
These high bass earphones with a microphone come with gold-plated audio jack and 1.2m tangle-free cable, covered by strong material of TPE, provides the slim and soft-touch feeling.
Enjoy an evenly balanced sound that’ll boost your tunes while keeping them clear; benefit from the extended bass response and saturated midrange settings for crisp, yet powerful audio.
Built-in smart in-line controller and high-quality microphone, you can freely operate remote controls for music play/ pause, next track/previous track, phone calls answering/rejecting/ hanging up.
pTron Boom Ultima (Boom 3) earphones Dual drivers enhance your music with high-fidelity audio for better sound than ever, achieve the kind of audio clarity mono-driver headphones simply cannot provide.