​Item Type: Bluetooth SpeakerMaterial: Plastic Charging Input: 5V, 1A LED Power: 1W LED Specifications: 5050 (RGB) 2835 (3000K Warm White) Speaker Diameter: 50mm / 2.0in Speaker Power: 4Ω/3W Bluetooth Specification: Bluetooth 5.0 Battery Specification: 18650 Lithium Battery Working Time: 4-8 Hours Charging Time: 3-4 Hours Wireless Receiving Range: 10m / 32.8ft Battery Capacity: 1500mAH  1、Supports Bluetooth 0, the effective distance of wireless reception is about 10m, and stable signal transmission.  2、With colorful night lights, you can switch the lights, the light moves with the music, creating a romantic ambient.  3、Light guide ring takes rhombus as theme, and the whole is inclined backward, presenting an delusion of viewing angle.  4、The bottom non-slip design can be placed firmly, support for Android, for PC, for IOS, perfect for living room, bedroom, study, etc.  5、Bottom bracket with lamp chips, which illuminate upwards, and the light source is locked inside by the absorption of the light guide ring to realize 3-dimensional light emission.