Builtin Bluetooth headset and speaker Enjoy your favorite music on the go with a built in speaker that supports Bluetooth connectivity. This lets you relax and unwind during travel without needing separate headphones. Enhanced noise isolation Up to 99% noise isolation helps block external sounds, creating a quiet and comfortable resting environment on planes or in noisy environments. Heating for comfort on the move A dedicated heating function provides warmth and comfort to the neck during cold seasons or long journeys, making this U shaped neck pillow a reliable travel companion. Cushioned protection and comfort Four silicone cushioning pads at the neck absorb impact when leaning against a seat, helping protect your cervical spine and improve wearing comfort. Key benefits and usage scenarios Convenience on the go: combines neck support, warmth, and audio in one device for convenient travel use. Sleep and rest improved: the noise reduction and soft padding help you rest more comfortably during flights or long rides. Warmth when needed: the heating function adds warmth in cold airports, plane cabins, or winter travel. Use scenarios Longhaul flights: listen to music or audio with the Bluetooth speaker, block cabin noise, and stay warm with the heating function while resting. Road trips or train travel: use the neck pillow for steady support, enjoy audio entertainment, and stay comfortable during extended sessions. Waiting in cold terminals: activate the heating feature to keep your neck warm while waiting for connections or flights.