Wired stereo earphones USAMS EP-41 (SJ451HS01) — 3.5 mm jack, white

USAMS EP-41 (SJ451HS01) wired stereo earphones with a 3.5 mm jack in white provide a compact, plug-and-play solution for devices with a standard headphone port. The in-ear design and included ear caps aim to deliver comfortable wear and stable fit for everyday listening and calls. With a 1.2 m TPE cable and a 3.5 mm connector, these earphones require no pairing or batteries and are compatible with smartphones, tablets, laptops and audio players that retain the classic jack.

Advantages

The EP-41 features a high-resolution composite diaphragm and a 10 mm speaker diameter to reproduce a wide frequency range from 20 Hz to 20 kHz. A sensitivity of 96 dB and impedance of 16 Ω ensure efficient sound output from portable devices. The integrated microphone supports phone calls with a microphone sensitivity of approximately -48 ±3 dB. The selected TPE cable provides flexibility and resistance to wear while the 1.2 m length balances reach and convenience.

Suitable for

• Listening to music on smartphones, tablets and portable audio players with a 3.5 mm port
• Hands-free phone calls using the built-in microphone
• Use with laptops and desktop computers that have a 3.5 mm headphone jack
• Everyday commuting and travel where a wired, battery-free solution is preferred

Key specifications

• Cable length: 1.2 m (TPE material)
• Connector: 3.5 mm standard stereo jack
• Speaker diameter: 10 mm
• Frequency range: 20 Hz – 20 kHz
• Impedance: 16 Ω
• Speaker sensitivity: 96 dB
• Microphone sensitivity: -48 ±3 dB
• Design: in-ear with supplied ear caps
• Functions: stereo audio playback and phone call support

How to use

Insert the appropriate ear caps for a comfortable fit and connect the 3.5 mm jack to the audio port of your device. Adjust playback volume on the connected device; avoid excessively high levels to protect hearing. Use the inline microphone for calls by positioning the microphone near your mouth and operate call functions from the connected device. After use, store the earphones loosely coiled to prevent cable kinks and avoid sharp bends.

Usage recommendations

For optimal sound and longevity, select ear caps that create a good seal in the ear canal, keep the connector clean and dry, and avoid pulling on the cable when unplugging. Do not expose the earphones to excessive moisture or extreme temperatures.