ON LED reading lamp, with 2 articulated arms, spring clips and USB port, work light for reading books or e-readers

Specifications:
-Led: 2 for each arm.
-Power: 0.4W.
-Lumens: 30.
-Material: ABS body and flexible steel arms.
-Power supply: 4.5Vdc (3 AAA batteries, not included) or 5Vdc (from USB, cable included)
-Battery life: approximately 30 hours at half power, 15 hours at full power.
-Weight: approximately 50 g.
-Code: 38.7270.85