1.Material: 100% non-toxic and eco friendly. High-quality silicone material without any harm to your skin 2.Unique: With frequency energy hologram It is watch! and also a power bracelet! 3.Waterproof Go for a dip with this watch.our silicon ion Watches are waterproof up to 10-30 meters. Don't worry about washing your hands with this on- it's no problem. 1ATM or 3 ATM Mildly water resistant, not for swimming or showering, anti-vibration 4.Colour: Over 12 colours to choose. Very colour is available when qty allows 5.Energy:about 1000-1500 ions This ion density can change ion content arround people,can reduce air radiation,relief fatigue,promote blood circulation. 6.Negtive ion energy Enhances immune and endocrine systems Has the ability to destroy viruses and bacteria Enhances cellular nutrition and detoxification Enhances cellular permeability 7.Fashion style,daily wearing. 8.Logo: Can print your logo. 9.Packing:paper box,suitable for all companies to sell Blister packing or OEM box. 10.Energy testing. 11.ROHS report: If you have any questions, please contact us as your wishes, we will try our best to help you. Choose Hottime, choose fashion, health and beauty!