Harman JBL T310C

Features
In-ear wired headphones for USB-C compatible audio devices
Packed with rich Hi-Res certified, JBL Pure Bass sound
Built-in 3-button remote and microphone for immediate device control
EQ preset control for real-time sound optimization
Flat connector cable remains safe from major tangles
Audio Specifications
Frequency response
20 Hz – 40 kHz
Impedance
16 ohm
Sensitivity
98 dB SPL@ 1kHz 1mW
Microphone sensitivity
-42 dBV/Pa @1kHz
Maximum operation temperature
45 °C
Size
9 mm / 0.35"  Dynamic driver
Weight
14.3 g / 0.03 lbs