Features 1、PURIFY THE AIR: The multimedia projector salt lamp can release natural negative ions to purify the air and create a healthy indoor environment. 2、WARM AMBIENCE: Projector salt night light can create a warm ambience, to meet your needs for a comfortable environment. 3、SPEAKER FUNCTION: This projection salt light is also a Bluetooth speaker, you can play your favorite song list and enjoy the music time quietly. 4、DECORATIVE: Projection salt lamp is a blend of natural and modern design, also a home decoration, enjoy the warmth and tranquility of nature. 5、APPLICATION SCENES: Projector speaker salt lamp is suitable for bedroom, living room, nursery, playroom, office and other places. Specification Item Type: Projector Salt Lamp Material: ABS, PC, Electronic Components, Salt Stone Operating Current: 1.5A Power: 10W Charging Time: About 3H Use Time: About 8H Battery Type: Host Built in 2000mAh Lithium Battery, Remote Control Built in 210mAh Button Battery Package List 1 x Projector Salt Lamp 1 x Charging Cable 1 x Package of Salt Stone 1 x Remote Control 1 x Instruction Manual