FAST AFFORDABLE SHIPPING GREAT CUSTOMER SERVICE SECURE CHECKOUT Experience Deeper, More Restful Sleep with QuietOn 4 QuietOn 4 is the result of advanced Nordic engineering, where every detail is optimized for sleep performance. From patented noise cancelling technology to carefully selected premium components, each unit is assembled with precision and tested across multiple stages to ensure consistent quality.Designed in Finland and produced in the EU, QuietOn 4 delivers a reliable, high-performance sleep solution you can trust — night after night. QuietOn 4 active noise cancelling sleep earbuds are designed to create a truly quiet environment, helping you fall asleep faster and stay asleep longer. Engineered with a compact oval shape for maximum comfort, these ultra-small earbuds fit naturally in your ears—even for side sleeping.With no Bluetooth, no apps, and no added sound, QuietOn 4 focuses purely on reducing unwanted noise. This fourth-generation model is trusted by sleepers worldwide for delivering consistent, uninterrupted rest—night after night. QuietOn 4 Active Noise Cancelling Earbuds for Better Sleep and Better Life ADD TO CART VIEW MORE Battery Life: Up to 28 hours per chargeCharging Case Battery: 200mAh lithium-ionEarbuds Battery: 17mAh lithium-ionCharging Port: USB-CWeight: Earbuds – 1.8g each, Charger – 59gDimensions: 11.5 x 11.5 x 4.5cm HearFIT Product Features world's smallest active noise-cancelling earbuds by QuietOn 4 SHOP NOW More Product Most Frequently Asked Question? Will QuietOn 4 Work for My Situation? QuietOn 4 is designed to perform reliably across a wide range of real-world sleep environments — from quiet bedrooms to noisy urban settings.It is especially effective if you:Sleep next to a snoring partnerAre a light sleeper sensitive to small soundsTravel frequently and need quiet on planes or in hotelsWork night shifts and sleep during the dayLive in areas with traffic, neighbors, or constant background noiseIf unwanted noise is affecting your sleep quality, QuietOn 4 helps create a calmer, more controlled environment so you can rest more consistently. How Much Difference Do QuietOn 4 Sleep Earbuds Really Make? QuietOn 4 is specifically engineered to reduce low-frequency noise, one of the most common causes of sleep disruption.Sounds like snoring, traffic, and deep background noise are difficult to block with standard earplugs. QuietOn 4 uses Active Noise Cancelling technology to reduce these sounds more effectively.Loud snoring becomes significantly softerBackground noise fades into a less intrusive levelSleep becomes deeper and less interruptedWith up to 30 dB reduction in low-frequency noise, QuietOn 4 delivers a noticeable improvement in sleep quality compared to traditional earplugs. Is QuietOn 4 Easy to Use? Yes — QuietOn 4 is designed for a simple, hassle-free experience.No BluetoothNo mobile appNo pairing requiredJust insert the earbuds and within seconds, Active Noise Cancelling activates automatically.There are no settings to adjust or features to manage. Simply use them and sleep. The charging case typically only needs to be recharged once per week. Does QuietOn 4 Use Bluetooth or Any Connectivity? No. QuietOn 4 operates completely offline.Unlike many sleep earbuds that rely on audio playback or sound masking, QuietOn focuses purely on true noise reduction, not adding extra sound.No Bluetooth signalsNo streaming or playbackNo added noise or distractionsThis makes it a cleaner, more focused solution for improving sleep without unnecessary stimulation. Can I Still Hear Important Sounds Like Alarms? Yes. QuietOn 4 is designed to reduce low-frequency noise while allowing important sounds to remain audible.You can still hear:Alarm clocksEmergency alertsImportant sounds like someone calling youFor added confidence, you can slightly increase your alarm volume if needed. HearFIT World Ozlo vs QuietOn vs Apple AirPods: Which Earbuds Are Best for Sleep? FeatureOzlo SleepbudsQuietOn 4AirPods Pro 2Best use caseSleep audioPure silenceDaily useNoise controlMasking passive blockingActive Noise CancellationAdvanced ANCAudio playbackYes (Bluetooth streaming)NoYesSleep comfortExcellent (side-sleeper design)Excellent (ultra-small)Not idealBattery life~10 hrs~28 hrs~6 hrsSmart featuresSleep tracking, alarmNoneCalls, Siri, spatial audioDesigned for sleep?YesYesNo Precision Engineering from Finland for Truly Restful Sleep QuietOn 4 is the result of advanced Nordic engineering, where every detail is optimized for sleep performance. From patented noise cancelling technology to carefully selected premium components, each unit is assembled with precision and tested across multiple stages to ensure consistent quality.Designed in Finland and produced in the EU, QuietOn 4 delivers a reliable, high-performance sleep solution you can trust — night after night. Shop Now HearFIT Why are QuietOn earbuds the Best Sleep Solution? No setup. No hassle. Work straight out of the boxNo app neededNo BluetoothWeekly charge only HearFIT Engineered for Comfort, Built for Better Sleep Dual noise reduction: powerful ANC passive sealing for deeper quietUltra-comfortable ergonomic design that stays secure all night — even for side sleepersPremium Comply® foam tips (4 sizes) for a perfect fit and enhanced noise blockingSupported by a 2-year warranty for peace of mind ADD TO CART Why Noise Cancelling Is Essential for Better Sleep Foam earplugs can block some noise — but they struggle with low-frequency sounds like snoring and traffic, which easily travel through walls and disrupt sleep.QuietOn 4 goes beyond passive blocking.Its advanced Active Noise Cancelling technology is designed to reduce these deep, hard-to-block sounds, while memory foam tips create a tight acoustic seal. Together, they deliver a more effective solution for reducing snoring and environmental noise.The result is a noticeably quieter sleep environment — with up to 90% reduction in snoring noise — allowing you to fall asleep faster and stay asleep longer. How it work Experience Truly Uninterrupted Sleep Effectively reduce snoring and background noiseDesigned for all sleep positions, including side sleepingFewer wake-ups throughout the nightWake up refreshed with improved energy and focus
