Overview The whole set of Bluetooth speaker kit has been equipped with USB power cable, the circuit board is welded, just need to connect the cable to assemble it can be used, power supply can use mobile phone charger or computer 5V power supply, use the current 2A power supply sound quality is better. Features: 3.7-5V DC power supply for automatic music playback, 3W+3W stereo amplifier, support Bluetooth, support power failure memory, TF memory card / U disk to play music Upgrade on the basis of Bluetooth speaker, adding a patch spectrum module and sound-controlled running light module available, two versions, the effect is more dazzling, listen to music at the same time with a cool lighting effect Features 1. Made of high quality materials, durable and long lasting 2. Music spectrum circuit chip components, more challenging to weld 3.45 magnetic full-range speakers, more volume, more powerful stereo effect 4. All-in-one audio installation is easy and powerful, external remote control 5. The unique appearance of this speaker, the shell is cut from imported transparent acrylic, 1. 8mm thick, crystal translucent. With mobile phone Bluetooth connection function, infrared remote control function does not need to connect the audio cable Specification Power supply: DC3.7-5V input, send USB to DC power cable, note that can not exceed 5V or burned Bluetooth operation Turn on the mobile phone Bluetooth, you can directly scan the device (no need to switch the decoding board mode), find DW-CT10-BT and click to connect. After disconnecting Bluetooth, it will automatically switch to TF card or U disk. The Bluetooth version is 5.0, which is compatible with all mobile phones and Bluetooth adapters on the market. The transmission distance is approximately 15 metres in open space. Supports automatic reconnection of paired devices and automatic music playback List 1 x DIY sound kit