Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.
x
Sorry, Something went wrong!
Sleep Earbuds for Side Sleepers - Noise Cancelling Headphones (Black)
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 19, 2026 7:01 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Costnzo Store
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓💤 Sleep Mode Made Easy 💤 Switch between Sleep Mode and regular Music Mode with a simple 4-tap on either earbud. Once in Sleep Mode, tap once within 10 seconds to choose auto-shutdown after 1, 2, or 3 hours. After that, all buttons are locked to prevent accidental presses while you're sleeping — just tap four times to go back to music mode.
✓🌛 Ultra-Comfortable, Non-In-Ear Fit 🌙 Designed for side sleepers! These earbuds have a curved, low-profile shape that sits gently outside your ear canal — no pressure, no pain, and no risk of falling out during the night. Say goodbye to uncomfortable in-ear buds and hello to all-night, pain-free listening.
✓🔋24-Hour Playback for Non-Stop Music & Calls 🔋 Stay powered all day and night! A single charge delivers 5 hours of playtime per earbud, and the charging case extends it to a whopping 24 hours of uninterrupted music and 180 hours of talk time. The dual LED power display keeps you informed, and the USB-C cable ensures fast, hassle-free charging.
✓🎵 Effortless Touch Controls & Premium Sound 🎵 Answer calls, change tracks, or activate your voice assistant with just a tap. Featuring 8mm dynamic drivers and high-quality audio chips, these earbuds deliver crisp, immersive 3D stereo sound. Plus, The upgraded Call noise-canceling microphone ensures crystal-clear calls, even in noisy environments.
✓📱Universal Compatibility & Super-Stable Bluetooth 5.4 📱 Works perfectly with iPhones, Androids, PS4, Xbox, Windows, and any Bluetooth-enabled device. Equipped with the latest Bluetooth 5.4 chip and anti-interference tech for a rock-solid connection, lower power consumption, and lag-free performance — perfect for calls, videos, and gaming.
✓🍃Health-First Design for Pain-Free Listening 🍃Our innovative non-in-ear design eliminates the discomfort of traditional earbuds. No itching, no pain, no ear size adjustments needed. Protect your ears from unnecessary radiation and enjoy a healthier, more comfortable listening experience.
✓🔕 Sleep Through the Night — No Annoying Alerts 🔕 We’ve all been there — getting woken up by a low-battery beep. These Costnzo sleep earbuds are built to keep you undisturbed. No alarms, no interruptions — just peaceful sleep with soothing music all night long.
⚙️ Specifications
Brand
Costnzo
Color
Black
Ear Placement
On Ear
Form Factor
On Ear
Impedance
16 ohm
Brand Name
Costnzo
Model Number
BL39
Model Name
BL39
Built-In Media
Cable
Age Range Description
Adult
Warranty Description
1
