LED flame atmosphere speaker, warm yellow lights, mimic extremely realistic and natural dancing flames. Combined with audio function, to create a romantic atmosphere . Simulating natural flame flashing flame but smokeless, which is safe and energy-saving. Connect it with your smartphone or tablet via Bluetooth4.1, stable connection and the effective distance is about 10 meters. With Hifi high-power speaker excellent stereo sound and powerful bass, make you enjoy the wonderful music. For easy carrying. It can be a night light for travel, sports, outdoor camping. for girl/boyfriend, perfect for students in dorms, party celebrations, families, and children for relaxing Powered by: 7.4V 2000mA rechargeable battery(Built-in) BT Version: Bluetooth 4.2 Effective distance: About 10 meters Signal to noise ratio: equal 75dB Charging Input: DC 5V 1A colour:Black Material:ABS size:9.8 x 16.5 x 9cm Package Contents: 1 x atmosphere lamp speaker 1 x charging cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.