Compact Sony WI-C300 earbuds offer 9 mm drivers for clear highs and deep lows, wrapped in a lightweight closed‑back design that stays secure on the neckband. Bluetooth 4.2 with NFC delivers up to eight hours of playtime, while an omnidirectional mic handles calls and voice assistants. Recharge via micro‑USB in two hours, and control playback with a single button for effortless use.