Syrox S3/S4 K7 Wired Earphones with Microphone

Syrox K7 is a pair of wired earphones with a built-in microphone and a 3.5 mm jack, intended for use with smartphones. Its 120 cm ±10% cable connects to a compatible device, while the 10 mm driver is part of the listed audio specifications. Syrox headphones also have a stated frequency range of 20 Hz–20 kHz.

Key Features

• 3.5 mm jack connection
• Built-in microphone
• 10 mm driver unit
• Cable length: 120 cm ±10%
• Impedance: 16 ±3 ohms
• Sensitivity: 99 dB ±3 dB
• Frequency range: 20 Hz–20 kHz
• Maximum power input: 15 mW
• The seller describes it as compatible with all smartphones.

Use it for listening and calls on a smartphone with a compatible 3.5 mm headphone jack.