Invisible Bluetooth Earbuds with Charging Case – BY-8 Semi In-Ear Wireless Sleep Headphones for Yoga, Travel, and Relaxation
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Product Name: Wireless Sleep Headphones
Bluetooth Version: V5.3
Bluetooth Chipset: Jerry 6983D2
Transmission Range: ~10 meters
Charging Case Battery Capacity: 300mAh
Earbud Battery Capacity: 30mAh
Speaker Unit: F10 Copper Ring
Playback & Call Time: ~4 hours
Charging Time: ~1 hour
Frequency Response: 20Hz–20KHz
Impedance: 32Ω
Sensitivity: 115dB/mW
Waterproof Rating: Life waterproof
Charging Case Size: 5 × 5 × 2.2 cm (1.97 × 1.97 × 0.87 inches)
Total Weight (Case + Earbuds): Approx. 28.5g
Features:
Active Noise Cancellation: Yes
Volume Control: Yes
Control Button: Yes
Material: Silica Gel
Vocalism Principle: Electrostatic
Brand: Rondaful
Style: Neckband
Certification: WEEE
Origin: Mainland China
Charging Method: Charging Case
Package Includes: Charging Case, 2 Earbuds, Charging Cable, Manual
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Key Benefits:
1. Secure Fit & Comfort
Enjoy a snug, non-slip design made for all-day wear. Whether you're commuting, working, or sleeping, these earbuds stay put.
2. Side-Sleeping Friendly
Semi in-ear shape doesn’t press into your ear when lying on your side. Finally — sleep without discomfort.
3. All-Day Battery Power
Play up to 4 hours on a single charge. Need more? The compact charging case juices your buds up to 5 times over.
4. Seamless One-Touch Pairing
Instantly reconnects to your last device when you pop them out of the case. Quick. Simple. Wireless freedom.
5. Immersive, Wire-Free Audio
No bulky headsets. No tangled cords. Just crystal-clear stereo sound, anywhere, anytime.
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Perfect For:
Yoga, Travel, Meditation, Daily Commutes, Deep Sleep, or Just Tuning Out the Noise Around You.
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