Product parameterLight source type: stepless dimming LED lightColor temperature: 2000K yellow warm lightBluetooth version: Bluetooth V4.2Bluetooth distance: 8M (different due to environmental factors and different Bluetooth devices)Product size: 110*270mm (including glass lampshade)Product weight: 500gCharging method: USB interface (5V-1A)Rated power: 5WFrequency response: 200Hz~20kHzCharging time: 4 hoursPlaying time: 10 hoursWaterproof grade: IPX4 water repellentPrecautions:*Avoid contact with sea water, corrosive liquids or long-term use in damp spaces;*Do not close to high temperatures above 45C, heat sources or long-term direct sunlight;*Do not use below 0C;*Do not cover fabrics, clothing, textiles and other products;*If there is any abnormality during use, please stop using it immediately;*Do not disassemble the product by yourself to avoid injury caused by lithium battery leakage;