Feature: 1. Dimmable: The neck lamp adopts upgraded key switch, three speed color temperature adjustment, long press for stepless dimming, arbitrary choice of brightness. 2. Soft Lighting: 4 high brightness LED lamp beads, good heat dissipation, even and soft light, protect your eyesight, with automatic memory brightness function. 3. 360° Adjustment: This neck lamp is equipped with a 360° universal hose, which can freely adjust the lighting angle to meet the lighting needs of different angles. 4. Safe Charging: Built in 1000mAh high capacity lithium battery, continuous charging and use, with over power protection, the lamp has a service life of up to 50000H. 5. Lightweight And Durable: Lightweight, wear this light around your neck will not feel pressure, high quality ABS shell, high hardness, wear resistant and durable. Specification: Item Type: Neck Light Material: ABS Product Size: Approx. 55 x 220 x 140mm / 2.2 x 8.7 x 5.5in Built in Battery: Polymer Lithium Battery 1000mAh (Included) Light Source: Natural Light, Warm Light, White Light Number of Lamp Beads: 4PCS Control: Button Function: Long Press Stepless Dimming, Three Speed Dimming Suitable for: Night Running, Reading, Maintenance Charging Method: USB Life: 50000H Weight: Approx. 153g/5.4oz. Package List: 1 x Neck Light1 x USB Cable1 x Manual Note: Manual measurement, please allow some errors.