2025 Automatic Gasoline mileage: 21 KM Sony ULT Wear WH-ULT900N headphones offer powerful sound with deep bass thanks to ULT technology, along with effective noise cancellation and a comfortable design for long wear, with a battery that lasts up to 30 hours and seamless wireless connectivity ⭐ Key Features 🔊 Powerful Bass (ULT Power Sound) Dedicated ULT button to boost bass and deliver a deep, impactful audio experience. 🔇 Advanced Noise Cancellation (ANC) Dual Noise Sensor technology to isolate external noise and enjoy music without distraction. 🎧 Comfortable Over-Ear Design Soft, lightweight earcups (approx. 255g) for long wear without fatigue. 🔋 Long-Lasting Battery Up to 30 hours of playback to suit daily use and travel. 📱 Smart Multi-device Connection Ability to connect to two devices simultaneously via Bluetooth for seamless switching. 🎶 Sound Quality Enhancement (DSEE) Restores lost details in compressed files for clearer sound. 🤖 Smart Features Automatic power on/off when headphones are removed or worn Headphone price 799 Selling to the highest bidder