PSB M4U TW1 True Wireless Headphones with Built-In Mic and Remote

Model: M4UTW1 UPC: 0627523170951 Item: 170403


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754 Route 309 (Bethlehem Pike) Montgomeryville, PA 18936
  • Tues - Fri: 9AM - 5PM
  • Sat: 10AM - 5PM
(215) 368-8343
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38 Greenfield Avenue, Ardmore, PA 19003
  • Tues - Fri: 9AM - 5PM
  • Sat: 10AM - 5PM
(610) 649-7002
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PSB M4U TW1 True Wireless Headphones Overview

Designed for enhanced audio quality in a convenient, wireless package, PSB M4U TW1 True Wireless Headphones are great for anyone with a fast-paced, on-the-go lifestyle. Featuring wireless Bluetooth technology, these headphones easily pair with your smart devices so you can stream music or make and receive phone calls without ever taking your phone out of your pocket. The touch controls and built-in microphone make it easy to stay connected or flip through your favorite workout playlists, and the Voice Assistant technology offers hands-free convenience. For active lifestyles, these running ear buds feature an innovative design with a comfortable ear hook for exceptional comfort and security, ensuring the ear buds will not fall out of your ears during intense workouts. As well, the water-resistant nano coating prevents the earphones from becoming damaged by sweat and other moisture, so these headphones can follow you wherever your workout takes you.

Product Information

Product highlights

  • In-ear headphones with dynamic drivers for added depth and clarity 
  • Ergonomic silicone eartips provide exceptional comfort 
  • Ear hook design offers added security for a snug, comfortable fit 
  • Pairs with all smart devices via Bluetooth 4.1 
  • Headphones offer up to 5 hours of battery life
  • High-performance 6 mm dynamic drivers offer a full frequency range of audio 
  • IPX5 rating prevents sweat and moisture from damaging headphones
  • Touch-sensitive button remote and built-in microphone offer hands-free convenience and voice prompts 
  • 6" detachable, tangle-free USB cable
  • Dimensions: 2.15" W x 1.37" H x 0.9" D
  • Weight: 0.14 oz.
  • Warranty: 1 Year – World Wide Stereo is an authorized dealer for every brand we sell
  • World Wide Stereo 60-day guarantee and expert product support

Enhanced Audio Quality

Built for exceptional audio quality in a convenient design, PSB M4U TW1 True Wireless Headphones are sure to enhance your workout or daily commute with their powerful sound and superb clarity. With a pair of high-performance 6 mm drivers, these headphones offer deep, pounding bass with crisp, rich highs to make sure you hear every detail in your favorite music or other audio. Whether you are watching movies, listening to music, or talking on the phone, these earphones offer optimal audio quality with absolute clarity. The DSP noise-reduction technology blocks out external noise, preventing it from penetrating the headphones and compromising the audio quality, resulting in clear audio at all times. 

Versatile Design for Any Situation

Whether you are working out at the gym or relaxing at home, these earphones offer enhanced audio quality in any environment. Built to withstand on-the-go lifestyles, these high-performance ear buds feature an internal nano coating with an IPX5 rating, so they will not become damaged by sweat and other moisture. Feel free to wear them on your next jog in the rain or through your sweatiest, most intense workout routine. As well, the ear hook design clips onto the outside of your ear, offering a snug, secure fit to ensure the ear buds will not fall out, even during fast-paced exercise routines. 

Designed for Comfort and Performance

For enhanced comfort, the lightweight design of these headphones will not feel heavy or bulky on your ears, so you can enjoy your workout without your ears becoming sore or fatigued. As well, the soft rubber material is comfortable against your skin, and the silicone eartips offer absolute comfort for long listening sessions. These eartips are replaceable and available in a variety of custom sizes, so you can find the ideal fit for different situations and swap out the tips whenever they become uncomfortable. 

Cutting-Edge Wireless Technology

A must-have for anyone who craves hands-free convenience, these earphones are designed with wireless Bluetooth technology, so they can easily pair with your smart phone, tablet or laptop. With them, you can enjoy streaming music and other audio from virtually any source and listen to it with enhanced audio quality and wireless convenience. The earphones offer an extended wireless range, offering added flexibility when listening to music on various devices. As well, they're equipped with touch-sensitive buttons and built-in HD microphones, so you can easily answer phone calls and control your playlists without ever taking your phone out of your pocket. Whether you want to stay connected while you're at the gym or simply jog and enjoy music with hands-free convenience, these headphones are sure to impress. For added flexibility, they deliver up to five hours of playback time on a single charge, so your music will last as long as your workout does.



  • Frequency response: 20Hz - 20kHz
  • Transducer
    • Type: Dynamic
    • Operating principle: Sealed
    • Size: 6mm
  • Ear coupling: In-ear
  • Connection
    • Bluetooth version: Bluetooth V4.1
    • Bluetooth profiles: A2DP and AVRCP
    • Operating distance: 10 meters
  • Battery
    • Music time
      • One earbud: Up to 5.5 hours
      • Two earbuds: Up to 4.5 hours
    • Talk time: Up to 5 hours
    • Standby time: About 80 hours
    • Charging time: About 2 hours
    • Charging input: DC 5.0V/500mA
  • Construction
    • Drive enclosure: ABS & Rubber
    • Earpads: Silicone
    • Travel case: EVA
  • Dimensions (W x H x D)
    • Overall: 2 5/32" x 1 3/8" x 29/32"
    • Travel case: 4 9/16" x 3 15/64" x 1 27/64"
  • Weight: 0.14 oz.
  • Cables: 150mm detachable tangle-free USB cable

What's in the Box

What's in the Box:

  • M4U TW1 True Wireless Headphones
  • USB charging cable
  • Earphone tips
  • Protective case



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Why did you choose this?
World Wide Stereo Store
I need wireless headphones for the gym
Kathleen C on Oct 8, 2018
I need wireless headphones for the gym
Kathleen C on Oct 8, 2018
Office party gift - versatile for everyone.
Vickie L on Oct 8, 2018
Office party gift - versatile for everyone.
Vickie L on Oct 8, 2018
Can you wear glasses while also using these headphones?
A shopper on Oct 5, 2018
  I wear glasses and had no issues the few times I've auditioned them. It might vary with temple thickness, but I didn't have an issue.