XILALU Mini-Torch 0.3W 25Lum USB Rechargeable LED Torch Lamp Flashlight Keychain (Black) Fits all the USB sockets. bright 0.3w 5mm LED, max 25Lumens. Waterproof IPX-3 standard. Powered by rechargeable 300mA lithium battery. Recharge by USB 15mins for 2.5hrs run time. Beam throw over 10 m.