Specifications Name White Noise Stress Relief Sleep AidPower Supply RechargeableFunction Handheld Wire ControlDisplay LED LCD DisplayColor White GreenBattery Life 1 3 Hours inclusive Built in Battery Capacity 100mAh 300mAh inclusive Product Category HandheldBuilt in Battery YesProduct Size 28x42x82mmProduct Weight 40gRated Voltage 3 7VRated Current 150mAhRated Power 0 6WPower Input DV 5V 1ACharging Time 1 5 hoursFeatures Advanced EMS Pulse Stimulation The sleep aid utilizes EMS pulse technology to stimulate the brain effectively helping you fall asleep quickly and enjoy a restful night Two Usage Modes Switch easily between Sleep Mode and Excited Mode each with 20 adjustable gears to suit your specific relaxation needs thus optimizing your sleep environment and daytime focus Convenient LED LCD Display Clear easy to read LED display shows mode and settings at a glance making operation straightforward even in low light Skin Friendly Material Straps Designed with comfort in mind the device features skin friendly straps that are easy to adjust ensuring a secure fit throughout the night Fast Charging with Type C Interface Equipped with a Type C charging port the device ensures quick and efficient charging allowing for up to 3 hours of usage on a 1 5 hour charge Package Included1 x White Noise Stress Relief Sleep Aid1 x Type C Charging Cable1 x User Manual