Ultrasonic Bracelets for Adults, Rechargeable USB Wristband with 6 Modes, IPX4 Water-Resistant, 300 mAh Battery, Removable Silicone Bands for All Family, Camping, Travel

["Focused Use: Designed only for unpleasant outdoor situations; ultrasonic bracelet uses 6 frequency modes (25 Hz - 50 kHz) for outdoor use without sprays, lotions, or direct skin application","Outdoor Convenience: Hands-free wearable design suits walks, camping, lakes, and travel; removable silica gel wristbands for adults stays easy to carry and simple to use on the go","Approximate Use Range: Approximate working area is about 1 m in diameter; bands for adults have 6 adjustable modes to help tailor use based on surroundings and activity conditions","Rechargeable Design: Bracelet built-in 75 mAh battery recharges in about 2-3 hours, up to 6 days working time; USB cable is included for repeat use without buying disposable refills","Comfort and Build: Bracelets wrist strap is made of soft silica gel; body uses ABS, PC, and PP materials; IPX4 water resistance supports light outdoor exposure for adults and kids"]