Overview: 1. LED fast touch response control 3 levels of brightness adjustable to meet the needs of a variety of scenes. 2. Stepless brightness adjustment， long press the touch button to adjust the brightness freely. 3. It can also be used as a wireless charger， supporting various mobile phones with wireless charging function， 4. You can also charge your smartphone through a wireless charging receiver. 5. Bluetooth 5.0 technology can easily connect to iOS and Android smart devices. After using it once， it can be assembled automatically. 6. Lengthened， adjustable design fit， the hose can change shape 360 degrees， suitable for home， office， university dormitory， school， hotel， etc. 7. It has 7 cold LED lamp beads and 7 hot LED lamp beads. The technology simulates the color temperature of light suitable for the eyes. Product information: Input interface: Micro-USB Transmission distance: 2-3mm Product size: 12x32cm Packing size: 13x13x16cm Unit weight: 430g Name: Bluetooth speaker Bluetooth version: V 5.0 Rated power: USB， 5V 0.5A Speaker specifications: 40MM 4Ω 3W Frequency response: 18-20K Hz Packing list: Manual x1 Power cord x1 Desk lamp*1