Enjoy powerful sound with Sony WHCH520/L headphones, offering up to 50-hour battery life and fast charging for extended use. Customize audio with the Sony Headphones Connect App, while DSEE enhances streaming quality. Lightweight and comfortable, they feature hands-free calls, multipoint connection, and Fast Pair for easy locating. **#SonyHeadphones #WirelessAudio #LongBatteryLife #CustomizableSound #HandsFreeCalling**