【High Brightness & Low Power Consumption】: Rechargeable and environmentally friendly lamp with built-in rechargeable lithium battery that can be charged by the USB cord (included). Charging time: 90-120 minutes, discharging time: 2-3 hours. 【Lightweight Design】: Mini USB rechargeable LED flashlight with USB cable. Light Weight: Ultra-light, small size and portable weighing only 30g. It is so easy to carry anywhere you need it. 【Durable Stainless Steel Body】: Made of high-quality stainless steel with advanced and waterproof design, better than aluminum and plastic lamps. Metallic feel. 【Wide Applications】: Not only used in medical examinations in hospitals and schools, for home, school, office, outdoor activities, nurses and doctors, but also for lighting up dark nights or emergencies. 【3 Packs】: Includes 3 packs of penlight, 3 USB charging cables.