1、TF card socket 2、Three light can be selected 3、Bluetooth connection 4、Remote timing 5、Built-in music 1 x Color Box1 x Manual1 x USB Cable1 x Audio Cable1 x Remote Control (Without Battery)1 x Projection Lamp Voltage / current: DC 5V / 1APower: 2WSpeaker parameters: 4 ohms / 3W, response frequency: 160HZ-20KHZMotor parameters: 5V 13 rev / 0.5WProduct material: ABS / AS / hardware / electronic componentsUSB cable specification: 1MAudio cable specification: 0.6MFunction: Projecting colored lights on the ceiling or plane to create a romantic, casual, cozy space atmosphere effect, with remote control function, built-in music, TF card, Bluetooth connection, external audio source playback, allowing users to enjoy the beautiful environment Enjoy beautiful music at the same timeRemote control: no battery delivery, need 2 AAA batteries (7th battery)