Necklux Neck Pain Reliever 2.0 offers advanced TENS technology with six heating levels (40–54°C) and six personalized modes, each with 16 intensities, to eliminate neck spasms, loosen knots, boost blood circulation, and improve mobility. Lightweight and easy to wear around the neck, it delivers spa-like massages while stimulating endorphins for natural pain relief and relaxation, making it ideal for daily use at home or on the go.