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? ?   ? ? Folding table lamp parameters Product name: Folding desk lamp Product model: WS-2020 Appearance color: white, blue, pink Input voltage: DC5V/1A Rated power: 3W (single color temperature white light); 5W (three color temperatures) Quantity of lamp beads: 15 (single color temperature); 31 (three color temperatures) Light color: single color temperature (white light); three color temperatures (white light→warm light→warm white light) Brightness levels: three levels of brightness (single color temperature) infinite brightness (three color temperatures) Battery model: 18650 lithium battery Battery capacity: 1200 mAh, 2000 mAh, 4000 mAh Packing quantity: 40 units/carton Outer box size: 62cm*39cm*45cm Outer box volume: 0.10m³ Color box size: 10.5cm*6cm*37.5cm Produced      Place: Ningbo, Zhejiang Packaging list: desk lamp + white color box + manual warranty card + USB interface cable (excluding plug) Chinese packaging is shipped by default. If you need neutral packaging or English packaging, please contact customer service. The packaging color box can be customized If you need retail product distribution pictures and cross-border English pictures, please contact our online customer service to get them Instructions for use                                            sp ;         1. Do not let this product be exposed to rain, exposure to the sun, or moisture; 2. Do not look directly at the high-brightness light source of the lamp; 3. Keep away from fire sources, flammable objects, corrosive objects, and gas; 4. Do not drop or bump this product to avoid damage to the internal circuitry;5. Non-professionals are not allowed to disassemble or change the product structure by themselves to prevent electric shock or fire. 6. If the purchased built-in rechargeable battery is not used for a long time, it should be recharged every 2-3 months; 7. When the rechargeable lamp is low on power, it should be charged in time. Do not wait until the power is completely exhausted before charging; 8. If you use a plug to power the desk lamp, you must use a USB adapter plug with an output voltage of 5V and an output current of 1A. The following situations are not within the warranty scope of our factory                                          > 1. Damage caused by using unmatched power adapter plug; 2. Damage caused by artificial disassembly and modification; 3. Damage caused by intentional dropping of the product; 4. The built-in battery may be damaged due to starvation if not charged for a long time; 5. USB cables and lithium batteries do not provide warranty service. Folding LED eye protection lamp usb charging dimming color primary school student dormitory learning reading table lamp bedroom bedside lamp Table lamp, eye protection desk lamp, usb desk lamp, portable desk lamp, rechargeable desk lamp, student desk lamp, study desk lamp, plug-in desk lamp, folding desk lamp, desk lamp led