Costnzo

Costnzo Sleep Earbuds for Side Sleepers — Cream, Non-In-Ear Low-Profile Comfort & Noise Reduction

High-performance electronics accessories made for confident daily results

$53.67

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium electronics accessories quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose Nexoltic

Costnzo Sleep Earbuds are curved, non-in-ear wireless headphones built for side sleepers who want pain-free all-night listening with sleep mode and reliable noise reduction. These earbuds combine a low-profile, outside-the-canal form with Bluetooth 5.4 stability, long battery life, and simple touch controls to deliver comfortable sleep audio without the pressure of traditional in-ear buds. Designed to stay put for side sleepers, they include a dedicated Sleep Mode with timed auto-shutdown, enhanced call microphones, and a compact USB-C charging case that extends playtime through the night and day.

How do these earbuds stay comfortable for side sleeping?

The Costnzo Sleep Earbuds use a curved, low-profile shape that rests outside the ear canal so there’s no inward pressure against your ear while you lie on a pillow. The form factor reduces the chance of soreness, makes them less likely to dislodge during sleep, and removes the need for ear tips or size adjustments.

  • Non-in-ear curved housing fits flush against the outer ear for comfort.
  • Low-profile design minimizes pressure when lying on a pillow.
  • No interchangeable silicone tips — one size designed for universal fit.
  • Lightweight construction reduces sleep-time awareness and discomfort.

What battery life and charging options can I expect?

Each earbud delivers about 5 hours of continuous playback on one charge, and the included charging case increases total available listening time up to 24 hours. A USB-C cable provides faster, more convenient recharges, and the case’s dual LED display shows remaining power so you can plan charging ahead of sleep.

  • 5 hours per earbud on a single charge.
  • Charging case extends total playback up to 24 hours.
  • Up to 180 hours talk time with case recharges included.
  • USB-C fast charging and dual LED battery readout for clarity.

How does Sleep Mode work and prevent nighttime interruptions?

Sleep Mode is activated with a four-tap on either earbud, then a single tap within 10 seconds lets you choose an automatic shutdown after 1, 2, or 3 hours. Once a sleep timer is set, buttons lock to avoid accidental presses, so the earbuds won’t switch modes or produce alerts during the night.

  • Enter Sleep Mode with a four-tap gesture on either earbud.
  • Choose auto-shutdown for 1, 2, or 3 hours via a single tap.
  • All buttons lock after setup to prevent accidental changes while sleeping.
  • Tapping four times returns the earbuds to regular Music Mode.

Will these earbuds work with my devices and for calls?

Yes — the built-in Bluetooth 5.4 chip ensures stable pairing with phones, tablets, consoles, and computers while reducing interference and power draw. Each earbud features an upgraded noise-canceling microphone array to improve call clarity in everyday noisy environments.

  • Bluetooth 5.4 for fast pairing, lower latency, and stable range.
  • Compatible with iPhone, Android, Windows, PS4, Xbox, and other Bluetooth devices.
  • 8mm dynamic drivers and advanced audio chips for clear stereo sound.
  • Noise-canceling microphone improves voice pickup for calls and assistants.
Who is this for? These Costnzo Sleep Earbuds suit side sleepers, shift workers, and anyone who wants overnight audio without ear-canal pressure or frequent interruptions. They’re a fit for people who need a comfortable sleep solution with reliable Bluetooth connectivity, straightforward touch controls, long battery life, and a sleep timer that locks to prevent accidental wakeups. If you prefer an outside-the-ear design with practical features like USB-C charging and a visible battery display, these earbuds offer a balance of comfort, convenience, and all-night playback.

FAQ

Q: Can I sleep on my side with these earbuds?

A: Yes. The low-profile, non-in-ear design rests outside the ear canal to reduce pressure and stays comfortable for side sleeping.

Q: How long do they last on a single charge?

A: Each earbud plays about 5 hours per charge; the charging case extends total playback to around 24 hours.