Features: Dual Functionality: This 2-in-1 ultrasonic mosquito repellent and microcurrent pulse sleep aid device offers the benefits of both mosquito repellent and pulse therapy, providing you with a versatile solution for relaxation and mosquito protection. Adjustable Pulse Modes: Choose from 3 adjustable pulse modes - Relaxing, Soothing, and Sleep modes, helping you unwind and promote better sleep. Easily adjust the pulse intensity with the rotary knob to suit your comfort level and preferences. Mosquito Repellent: Activate the mosquito repellent mode with a double-click, providing you with up to 10 hours of protection against mosquitoes. This device keeps mosquitoes at bay while helping you relax and sleep better. Auto Shutdown: The device automatically shuts down after 15 minutes in pulse mode, or after 10 hours in mosquito repellent mode, ensuring safety and energy efficiency. You can use the device at ease without worrying about accidentally leaving it on for too long. Portable and Convenient: With a built-in 500mAh lithium battery and Type-C charging, this device is portable and easy to recharge. It comes with a strap, allowing you to hang it on a bag or wear it on your wrist for convenient access wherever you go. Specifications: Battery Capacity: 3.7V 500mAh Charging Time: 1-2 hours Charging Port: Type-C Input Power: DC 5V 1A Working Power: 0.5W Material: ABS, Silicone Color: White, Orange, Dark Blue (Optional) Item Size: 6.6*3.8*3.8cm/2.59*1.49*1.49in Item Weight: 33g/1.16oz Package Size: 9.5*9.5*5.8cm/3.74*3.74*2.28in Package Weight: 76g/2.68oz Package List: 1 * Mosquito Repellent Sleeping Machine 1 * Type-C Charging Cable 1 * Lanyard 1 * User Manual (English/Chinese)