Ulive LED Desk Lamp with 2200mah Power Bank, One Touch Level-free Dimmable Lighting, Angle Adjustable, 5v/1a USB Charging Port One-Touch Design: one touch control for On/Off and brightness adjustment Adjustale lamp head and base to find the most suitable lighting angle 2200mAh built-in Li-ion battery providing up to 4 hours autonomy 5V/1A USB port to charge your mobile devices Eco-friendly with extremely low energy consumption