BT 5.4 Wireless Sound Amplifier Earphones | 48dB, 24H Battery

Experience crystal-clear, amplified audio wherever life takes you. These Bluetooth 5.4 Sound Amplifier Earphones combine advanced 48dB amplification, a powerful 14mm dynamic driver, and a lightweight ergonomic ear-hook design — making them ideal for sport, cycling, travel, live streaming, and everyday use.

Key Features:

• Powerful 48dB Sound Amplification: Precisely covers key listening frequencies between 200–6800Hz for ultra-clear, low-distortion audio. The built-in 14mm dynamic driver captures every detail, delivering a natural and immersive listening experience.
• Bluetooth 5.4 Wireless Connectivity: The integrated BT 5.4 chip ensures a stable, seamless connection up to 10 metres with strong interference resistance. Effortlessly switch between audio modes and pair with smartphones, tablets, and computers.
• 24-Hour Battery Life: A high-capacity 110mAh battery provides up to 24 hours of continuous use on a single charge (approx. 1 hour charging time). Stay connected all day without interruption.
• Featherlight Ergonomic Design: The silicone ear-hook neckband style sits securely and comfortably for prolonged wear. Nearly weightless during use, it's engineered for active lifestyles — sports, commuting, travel, and more.
• Active Noise Cancellation & Volume Control: Built-in ANC minimises ambient distractions, while intuitive volume control lets you fine-tune your listening experience on the go.
• Universal Compatibility: Pairs wirelessly with virtually any Bluetooth-enabled device, supporting versatile daily routines at home, outdoors, or in the workplace.

Technical Specifications

• Bluetooth Version: 5.4
• Driver Unit: 14mm Dynamic
• Frequency Response: 20Hz – 20kHz
• Speaker Sensitivity: 125 ± 2dB
• Speaker Impedance: 1200 ± 5%
• Average Gain (Full Range): >48dB ± 3dB
• Maximum OSPL90: 120dB ± 3dB
• Total Harmonic Distortion: <2%
• Equivalent Input Noise Level: <25dB
• Amplification Bandwidth: 200Hz – 6800Hz
• Wireless Range: >10 metres
• Battery Capacity: 110mAh
• Battery Life: Up to 24 hours
• Charging Time: Approx. 1 hour
• Rated Current: 4.71mA
• Product Dimensions: 61 × 16 × 15mm (2.4 × 0.63 × 0.59 in)
• Material: ABS / Silicone
• Active Noise Cancellation: Yes
• Volume Control: Yes
• Style: OWS Ear-Hook
• Made in: Mainland China

What's in the Box

• 1 × Sound Amplifier Earphone
• 1 × Instruction Manual

Note: Actual colour may vary slightly due to monitor settings and lighting conditions. Please allow a 1–2 cm measurement tolerance.

For more on how wireless audio technology and hearing assistance work, visit the National Institute on Deafness and Other Communication Disorders (NIDCD) — part of the National Institutes of Health — for consumer-friendly resources on sound amplification and hearing wellness.

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Frequently Asked Questions

Q: What Bluetooth version do these wireless sound amplifier earphones use?

A: These earphones feature Bluetooth 5.4, one of the latest wireless standards, delivering a stable and interference-resistant connection up to 10 metres from your paired device. They are compatible with smartphones, tablets, and computers.

Q: How long does the battery last on a single charge?

A: The built-in 110mAh battery provides up to 24 hours of continuous use. A full recharge takes approximately 1 hour, so you can quickly get back to listening with minimal downtime.

Q: Are these earphones comfortable for all-day wear during sports or travel?

A: Yes. The ergonomic OWS ear-hook design is made from lightweight ABS and soft silicone, engineered to sit securely during active use — cycling, commuting, travel, or prolonged daily wear — with minimal sensation during extended sessions.

Q: What level of sound amplification do these earphones provide?

A: These earphones deliver an average gain of over 48dB across a frequency bandwidth of 200Hz–6800Hz. The 14mm dynamic driver ensures the amplified audio remains natural and clear with total harmonic distortion kept below 2%.

Q: Do these earphones have active noise cancellation?

A: Yes. Built-in active noise cancellation (ANC) helps reduce background ambient sound so you can focus on what you're listening to, whether at home, outdoors, or in busy environments.