JBL T305C Wired In-Ear Headphones deliver JBL Pure Bass Sound with a 12.5mm driver for deep and detailed audio performance. They feature an ultra-wide 20 Hz – 40 kHz frequency range for high-resolution sound. With 32 ohms impedance and 102 dB sensitivity, they provide powerful and clear output. A built-in microphone enables hands-free calling. USB wired connectivity ensures stable performance. The lightweight design (15.3g) makes them suitable for daily use.