Ultrasonic Mosquito Repeller Imitation Sonic Anti-Mosquito Outdoor Electronic Mosquito Repeller 1. Input: 5V1A 2. Output: 34Hz-70KHz 3. Battery capacity: 90mAh 4. Charging time: about 30 minutes 5. Continuous working time: about 150 hours 6. Charging port: Micro USB 7. Mosquito repellent principle: the bracelet through the imitation of female mosquitoes hate the sound, such as male mosquitoes, dragonflies sound, to achieve the effect of mosquito repellent 8. Size: about 5.5 x 3.5 x 1.4cm Features: 1. Sonic physical mosquito repellent, 360 degrees around the protection, safe and effective 2. The wave emitted more than 5000Hz-9000Hz, safe and harmless, mute mosquito repellent, pregnancy and baby applicable 3. With hook type compact and portable, indoor and outdoor can be applied 4. Portable charging, long life, intelligent chip, low power operation, power saving 5. 3 repellent settings, in standby mode, press the power to turn on the blue indicator light, you can use it