Wired earphones XO EP37 with microphone and smartphone control

XO EP37 are wired in-ear earphones with a built-in microphone and smartphone control, designed for devices with a 3.5 mm jack. They are compatible with many devices such as smartphones, MP3/MP4 players and TVs. A flexible silicone cable is used to improve durability and daily usability for calls and media playback.

Advantages

The XO EP37 offers a compact 10 mm driver for balanced audio reproduction, a microphone for hands-free calling and inline controls for answering/ending calls and basic media control. With an impedance of 16 Ω and sensitivity around 93 ± 3 dB, the earphones are suitable for typical consumer devices. The flexible silicone cord and 1.2 m length provide ease of use and reduced wear during everyday handling.

Suitable for

• Hands-free phone calls with smartphones that have a 3.5 mm jack
• Listening to music on MP3/MP4 players and portable devices
• Watching TV or video on devices with a 3.5 mm audio output
• Commuting and general everyday use

Key specifications

• Driver diameter: 10 mm
• Speaker power: 3–5 mW
• Impedance: 16 Ω
• Sensitivity: 93 ± 3 dB
• Frequency response: 20–10,000 Hz
• Cable length: 1200 mm
• Connector: 3.5 mm jack
• Microphone and inline smartphone control: yes

How to use

Insert the earphone tips gently into the ear canals for a comfortable fit. Plug the 3.5 mm jack into the audio port of a compatible device. Use the inline control to answer or end calls, play or pause audio and skip tracks when supported by the connected smartphone. Adjust device volume rather than forcing the earphones beyond recommended levels to preserve sound quality and prevent damage.

Usage recommendations

Do not expose the earphones to moisture or extreme temperatures. When not in use, store them coiled loosely to avoid cable strain. Clean ear tips regularly and keep the 3.5 mm connector free of debris for reliable performance.