• Mosquito repellent bracelet made of soft silicone, non-toxic and without added chemicals, suitable for babies and adults. • Uses biological sound wave technology to effectively repel mosquitoes. • Equipped with a high-quality smart chip, offers 30 minutes of fast USB charging and up to 130 hours of continuous use. • Includes time and body temperature display functions. • Provides mosquito protection indoors and outdoors, ideal for activities such as camping, running, traveling, fishing, and more. • Water-resistant, suitable for daily use, but not for immersion in water. • Adjustable strap to fit adults and children. • Specifications: Micro USB input 5 V/1 A, output of 34Hz-70kHz, battery capacity of 90 mAh, dimensions of 250 x 31 x 11 mm, weight of 53 g.