[Keep Healthy] Come with natural Himalayan pink salt stones, when this salt stone lamp humidifier work, crystals salt stones will release ions into the air, which can improve your mood, improve breathing, and reduce stress. (salt stone in bottle) [Waterless Auto-Off] After 5 hours or when the water runs out, the humidifier will automatically turn off to prevent dry burning.No need to worry about danger to your family or damage to the device itself. [2 Working Modes] The air humidifier has a capacity of 250ml and works for up to 5-10 hours in continuous mode and 9-10 hours in intermittent mode, which is helpful to moisten dry air for a long time. [7 Color Lights] This air purifier is designed with a 7-color breathing night light to create a warm and romantic environment. The new ultrasonic technology supports very quietly working noise of <30 dB. [Wide Application] This elegant salt stone aromatherapy diffuser is suitable for family and friends who like aromatherapy, suitable for home, yoga, office, spa, bedroom, baby room, and other scenes. Input voltage: 5V/1A Capacity: Water capacity 250ML Rated Power: 2w Input Current: 400-500mA Power Supply mode: USB Plug Interface: Type-C Spray Timing: Continuous spray for 4 hours, Indirect spray for 8 hours Continuous Spray Usage Time: 5 hours Indirect Spray Usage Time: 10 hours Material: ABS, PP, GEL, electronic components Color(optional): White, Pink, Green Note: There may be slight deviations in color and size from the actual product, please understand. Parts List: 2 x Humidifier 2 x USB Cable 2 x Manual