Invisible Sleep TWS Earbuds – Bluetooth 5.4 IPX5 Waterproof
Invisible Sleep TWS Earbuds – Bluetooth 5.4 IPX5 Waterproof
Sleep Comfortably & Stay Connected with Hidden TWS Earbuds
Meet the B11 Invisible Sleep Wireless Earbuds — ultra-low-profile TWS in-ear headphones designed to sit discreetly in your ears, whether you're winding down at night, hitting the gym, or commuting. Powered by Bluetooth 5.4, these earbuds deliver a fast, stable wireless connection with minimal latency, so your audio stays crisp and uninterrupted.
Their hidden, flat-profile design makes them ideal for side-sleepers and anyone who finds traditional earbuds too bulky. With IPX5 waterproof protection, sweat and light rain are no match for these earphones — making them just as capable during a workout as they are during a lazy evening in.
Made in Mainland China.
Key Features
- 🎵 Bluetooth 5.4 – Latest wireless standard for faster pairing, stronger signal, and lower power draw
- 😴 Invisible / Hidden Design – Ultra-flat earbuds sit flush in the ear canal; barely noticeable even while lying on a pillow
- 💧 IPX5 Waterproof – Protected against sweat, splashes, and light rain for confident everyday use
- 🔊 Dynamic Dual Drivers – 2-driver setup delivers fuller, richer audio across a 20–20,000 Hz frequency range
- 🎚️ Volume Control – Manage playback directly from the earbuds without reaching for your device
- 🔋 Low Impedance (up to 32 Ω) – Efficient power draw that's easy on battery life
- ✅ CE, FCC & RoHS Certified – Meets international safety and environmental standards
- 🏗️ ABS Construction – Lightweight yet durable build for long-term daily use
Technical Specifications
| Bluetooth Version | 5.4 |
| Style | TWS In-Ear |
| Waterproof Rating | IPX5 |
| Drivers | 2 Dynamic Drivers |
| Frequency Response | 20 Hz – 20,000 Hz |
| Impedance | Up to 32 Ω |
| Volume Control | Yes |
| Active Noise Cancellation | No |
| Material | ABS |
| Certifications | CE, FCC, RoHS |
| Country of Origin | Mainland China |
Perfect For
- Side-sleepers who want to listen to music, podcasts, or white noise without bulky earbuds
- Gym-goers and runners looking for sweat-proof wireless audio
- Daily commuters wanting a discreet, comfortable listening experience
- Anyone who prefers a hidden, low-profile earbud aesthetic
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Frequently Asked Questions
Q: Are these Bluetooth earbuds good for sleeping on your side?
A: Yes! The B11 invisible sleep earbuds feature an ultra-flat, low-profile design that sits flush within the ear canal, making them comfortable even when lying on a pillow. Unlike traditional earbuds that protrude from the ear, these hidden earbuds are specifically designed for minimal bulk, ideal for side-sleepers.
Q: What does IPX5 waterproof mean for these wireless earphones?
A: IPX5 means the earbuds are protected against water projected from any direction — including sweat during workouts and splashes from rain. They are not designed for full submersion, but are perfectly suited for sports, gym sessions, and everyday outdoor use.
Q: Do the B11 earbuds connect to any Bluetooth device?
A: Yes. Thanks to Bluetooth 5.4, these TWS earbuds are compatible with virtually any Bluetooth-enabled device including smartphones, tablets, and laptops running iOS, Android, or Windows. Pairing is quick and the connection remains stable at typical listening distances.
Q: Is there active noise cancellation (ANC) on these earbuds?
A: These earbuds do not feature active noise cancellation. However, their snug in-ear fit provides a degree of natural passive isolation from ambient sound, helping you focus on your audio without electronic ANC circuitry.