Earphones with 3.5mm Jack, frequency range of 20Hz – 20KHz, and impedance of 16 ohms. Features a built-in microphone, volume control, and a cable length of 122 cm. Designed for both music and calls with an ergonomic design, excellent value for money, flat tangle-free cable, and hands-free functionality. Play and pause functions are included. Technical specifications: Speaker size: f14.2 mm, Sensitivity: 95 dB±3 dB SPL @ 1 KHz, Impedance: 32 ohms±15% @ 1 KHz, Frequency: 20-20000 Hz, Audio connector: 3.5mm stereo. Net product weight: 16g. Compatible with Android, iOS, and Windows. San Francisco earphones excel in comfort and are designed to fit perfectly in all ears, providing supreme audio quality and remote control functionality.