This Multifunctional Desktop Lamp offers one color temperature and 4 brightness levels and reduces visible flicker to protect your eyesight. Besides, it supports 15W wireless charging and can be used as a BT speaker, enjoying music wirelessly. No Flicker: It reduces visible flicker to effectively keep you away from eye fatigue, headache, poor eyesight, etc. 4 Brightness Levels: It offers one color mode - 4000-4500K nature white, owning 4 brightness levels. Change brightness level according to your need 15W Wireless Charging: Convenient to charge your phone up and your phone should support a wireless charging function Built-in BT Speaker: Enjoy music wirelessly once connect with your phone through BT 5.0, and save money for other items Buttons to Control: Press specific buttons to fulfill corresponding functions like turning on/off the wireless charger, BT speaker, switching among songs, adjusting volume and brightness levels, etc. Specifications: Controlling method: Buttons Charging interface: Type-C Power input: 9V/3A Cable length: 150cm Material: ABS+PC+Metal BT Speaker: BT version: V5.0 Speaker: 40mm 4 3W Frequency response range: 120Hz-18Khz Sensitivity: 905dB Operating range: 10m Wireless Charger: Power: 15W Sensing distance: Approx. 5mm Protection: Overcharge, Over-temperature, over-current, over-voltage Lamp: Power: 4.45W LED bulbs: 10 Lumen: First level 118LM, Second level 63LM, Third level 29LM, Fourth level 11LM Color temperature: Nature white 4000K-4500K CRI: >95RA Item size: 34.5* 13.4 * 13.4cm/13.58 * 5.28 * 5.28in Item weight: 450g/15.87oz Package included: 1 x Desk Lamp 1 x Type-C Cable 1 x English and Chinese User Manual