INTRODUCTION Thank you for purchasing a pair of PSB Speakers’ M4U TW1 earphones. Producing natural musical dynamics and precisely imaged sound, these high fidelity earphones bring you closer to the music you love. Engineered with over 45 years of audio excellence and research, the M4U Headphones deliver unmatched sound quality and all-day comfort for music enthusiasts and professionals.
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WARNING • Warnings or announcements may be unnoticed when you are using the headphones. Please be aware of ambient sounds while wearing the headphones and recognize them as needed. • To prevent possible hearing damage, do not listen at high volume levels for long periods. •...
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5. Turn the left earphone back on (hold power for 5 sec). From here, go to your device’s Bluetooth settings and select “PSB M4U TW1-L” from the list. Once it has connected you can turn on M4U TW1-R, (hold power for 3 seconds).
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TOUCH CONTROLS… Microphone Touch Power Controls Connection Indicator Button Touch Button To answer a phone call, tap the touch button. Tap again to end the call. To reject a phone call, press and hold the touch button until an audio prompt is heard. When connected to a device, double tap the touch button.
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Battery Life with the M4U TW1 Headphones The M4U TW1 will alert you with an audible warning when 15 minutes of battery life remain. This warning will repeat every 5 minutes until the earphones are charged, or the battery runs out.