Feature 1[Smart Repellent Watch] Features both repellent and clock functions, providing all around repellent protection, so you can enjoy the summer breeze worry free. 2[USB Rechargeable] Smart repellent bracelet is compatible with all USB output devices, built in 100mAh battery can last up to 150 hours after a full charge. 3[Efficient Repellent] Waterproof repellent bracelet uses pure physical repellent, without any chemical ingredients, making it safer, more reliable, more environmentally friendly and healthier. 4[Versatile Application] Repellent watch can be worn indoors or outdoors (beaches, parks, camping, hiking, fishing) and can be worn by the elderly, children, pregnant women, and pets. 5[Sound Wave Output] Ultrasonic repellent band uses 34Hz70KHz sound wave output to simulate specific frequencies that create a protection range of 14 meters, effective repellent.Item Type: Ultrasonic Repellent Bracelet WatchMaterial: PlasticBattery: 1 x rechargeable polymer battery Battery Capacity: 100mAh (built in) .wang-edit-text{font-family:'Arial' important; } .wang-edit-text .wang-edit-text .wang-edit-text Package List1 x Repellent Watch1 x Strap1 x Hand Strap1 x Charging Cord1 x Instruction Manual