1EASY TO WEAR: Sports necklace is designed with a magnetic buckle, which is easy to open and close, tight and not easy to fall off, easy to wear, suitable for men and women. 24 METAL RINGS: Can move at will, contains high release negative ion elements, and the balance current of negative ions restores the human body to a state of positive and negative charge balance. 3BALANCE AND ANTI STATIC: Negative ion necklace can increase your sense of balance, improve your strength, clarity and alertness, make you feel more positive and energetic, and stay away from dizziness to some extent. 4IMPROVE SLEEP: Balance necklace can help improve neurasthenia, insomnia, relax nerve, has a significant effect on shortening sleep time, increasing deep sleep time, and improving sleep quality. 5MULTIPLE APPLICABLE SCENARIOS: The interface screws are removable for easy size adjustment. Waterproof and sweatproof, magnetic necklace is suitable for exercise, sports, bathroom, etc. 6SOFT SILICONE: Negative ion balance necklace adopts silicone material, safe and eco friendly, soft and skin friendly, comfortable to wear, wear resistant and durable.