Features: The Handheld Sleep Aid Device combines portability with advanced vibration to ease anxiety, and promote deep relaxation for better sleep quality. Crafted from ABS and stainless steel, this wearable features customizable sleep modes for comfort. Ideal for busy professionals, frequent traveler, and stress prone individuals seek natural solution for sleep disorders or daily tension relief. Use at home for routines, during office breaks for quick decompression, or while traveling to maintain consistent sleep pattern in unfamiliar environment. Its minimalist design seamlessly blends with modern lifestyles, on the go support to help users reclaims nights. Specifications: Material: ABS+Stainless Steel Gear: 18 Gear Charging Time: 3 Hours Battery Capacity: 150mA Current: 5V1A Size: About. 4.5x3.5x10cm/1.77x1.38x3.94in Package Includes: 1pc Sleep Aid Device note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.