With 4 LED light colors, controlling by touch. Long press to adjust the brightness, short press to switch the color of the light. The brightness is sufficient, without flickering or dazzling. Built in good bluetooth speaker, can enjoy music immersively. Support 10W Qi fast wireless charger for phone. Compatible: all Qi-built or enabled smart phones. Battery capacity: 5000MAH (Polymer) Charging interface: TYPE-C Input: 9V 3A Power supply mode: adapter (DC9V 3A, cable length 150cm, TYPE-C charging port) Bluetooth Speaker Bluetooth version: Jerry V5.0 Bluetooth frequency: 2.4GHz-2.48GHz Speaker Specifications: 40MM 4Ω 3W Frequency response: 120HZ-18KHZ Sensitivity: 90±5dB Working range: barrier-free 10 meters Qi Charging Wireless charging power: 10W/7.5W/5W Wireless charging output: 9V 1.2A, 5V 1A Input: 9V 1.67A, 5V 2A overvoltage protection Table lamp LED light power: 3W LED lamp beads: 8 Luminous flux: 73.5ML in dimming level 1, 19.6ML in level 2, 26ML in level 3, 7.3ML in level 4 Color temperature: natural light 4200-4500K Color rendering index: >95RA