Please Note: Static Electricity Has Absolute Relationship With Air Humidity And Clothing Materials. Features: *Strong Resistance: The Bracelet Is Made Of Thermoplastic Material Which Can Effectively Reduce The Damage To The Human Body. The Wristband Resistance Can Reach 10000 Ohms. *Wireless: No Need To Ground Wire To Reduce Static Electricity Through Capacitors Can Reduce 30-50% Static Electricity Can Not Be Completely Eliminated One Of The Wristbands Is Spare. *Economical And Practical: Wireless Static Ring Is A More Economical And Practical Type On The Market With Exquisite Workmanship. Adjustable Strap With Buckle Can Fit Your Wrist Perfectly. *Wide Range Of Applications: It Can Be Applied To The Environment With Static Electricity Such As Factory Workshop Electronic Maintenance Dust-Free Workshop Etc. Essential For Electronic Maintenance Engineers. *Working Principle: The Conductive Yarn Is Woven Into Elastic Band Type The Anti-Static Characteristic Is Excellent Easy To Wear. The Static Electricity Generated By The Human Body Is Discharged Through The Discharge Box And The 12 Ultra-Fine Conductive Fiber Discharges Static Electricity Very Quickly.