Crystal Salt Lamp with Battery Power and MultiFunction Control Key benefits Protective cover for battery radiation: When the crystal salt lamp is lit, it can release a Schumann wave frequency that helps naturally adjust and suppress frequency electromagnetic waves emitted by electrical appliances. Relieve stress and improve air quality: The lamp aids relaxation and mood stabilization, supports better sleep, and may help with allergies. It contains more than 80 minerals and trace elements essential for cells. It releases negative ions and helps absorb dust and particles from the air to improve air quality. Flexible, batterypowered lighting: Builtin 1200mAh capacity battery provides cordless operation. Colorful lights run up to 8 hours; white light runs up to 10 hours; full charge takes about 3 hours. Controls and operation Button switch functions: Press once to turn on the warm color light. Long press to adjust brightness. Press twice to temporarily change the color light. Long press to fix the light color. Press three times to shut down. Specifications and features Lamp type: Crystal salt lamp with protective battery radiation feature Light modes: Colorful lights and white light Battery capacity: 1200 mAh Run time: Colorful lights up to 8 hours; white light up to 10 hours Charging time: About 3 hours Control: Single button with short press, long press, and multipress operations Minerals: Contains more than 80 minerals and trace elements essential for cells Air quality: Releases negative ions to help absorb dust and particles Use scenarios Relaxing evening space: Place in living room or lounge to create a warm ambience for reading or meditation while potentially reducing exposure to electrical EM waves. Bedroom for restful sleep: Use the warm color light at low brightness to foster a calm environment and support sleep quality. Home office or study area: Maintain a soothing backdrop with color variations to improve focus while benefiting from subtle air purification and reduced EM wave exposure around electronics. Note: The description preserves the original product functions and specifications, presented in clear, straightforward language for easy readability and practical application.