Are you looking for a professional, yet affordable mosquito repellent bracelet? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional mosquito repellent bracelet must meet you needs. It is one of the best choices for you. Features - Color: White. - Size: 10 x 6 x 4.5 cm. - Material: Plastic. - Charging time: 30min. - Working time: 130hrs. - Stand by time: 1 month. - This is new designed in 2019 Imitation of biological waves +ultrasonic mosquito repellent wristband, which could prevent mosquitoes from biting without harmful chemicals, odors or smoke. - USB rechargeable, a bracelet which could let you no worry about the whole days, no any mosquito troubles. - Adjustable wristband design, (One size fits all) great for children and adults. Enjoy your beautiful time without mosquito. - Built-in aluminum polymer battery, just need 30 minutes to charge full, and it can be standby for 1 month. - Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you