Features: 1.SUPER LONG STANDBY: Mosquito repellent bracelet watch with time display function, has USB fast charging, charging 30 minutes, standby 6 months, fully charged can work continuously for 7 days, effectively avoid more than 90% of the mosquitoes. 2.ADJUSTABLE WRISTBAND: Mosquito repeller wristband is adjustable, you can adjust it according to the length of your wrist, this design makes mosquito repellent bracelet suitable for almost everyone, suitable for elderly, pregnant women, children and pets. 3.MULTI PURPOSE: Mosquito repeller watch has three gears switching, you can switch freely with one key. It is easy to carry and suitable for different scenes, whether you are indoors or camping, fishing, hiking, sports, barbecue are very suitable. 4.ENVIRONMENTAL PROTECTION AND SAFETY: Mosquito repeller band uses ultrasonic and physical methods to achieve the purpose of mosquito repellent, pure physical repellent without chemical additives, no noise, no odor, safe and environmentally friendly. 5.IDEAL GIFT: Mosquito repellent watch is stylish and lightweight, with high end technology, suitable as a birthday gift, mother's day and father's day gift to defend you and your loved ones from mosquitoes and enjoy a nice summer.specification:Item Type: Mosquito Repellent Bracelet Watch Material: Plastic Battery Type: Built in 100mAh Lithium Battery (Included) Endurance Working Time: Standby 6 Months, Fully Charged Can Work Continuously for 7 Days Function: Ultrasonic Mosquito Repellent, Electronic ClockPackageList:1 x Mosquito Repellent Bracelet Watch1 x Charging Cable1 x Instruction Manual