Handheld White Noise Stress Relief Sleep Aid Device White Noise Sleep Instrument with Screen Display Hand-Held White Negative Ion Pulse Stress Relief

Specifications:Name: White Noise Stress Relief Sleep Aid - Power Supply: Rechargeable - Function: Handheld Wire Control - Display: LED LCD Display - Color: White, Green - Battery Life: 1-3 Hours (inclusive)Built-in Battery Capacity: 100mAh-300mAh (inclusive)Product Category: Handheld - Built-in Battery: Yes - Product Size: 28x42x82mm - Product Weight: 40g - Rated Voltage: 3.7VRated Current: 150mAhRated Power: 0.6WPower Input: DV 5V/1ACharging Time: 1.5 hours - Features:- 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: Desi