Troika Eco Run, Re-chargeable Magnetic LED Light for Outdoor Activities Troika's Eco Run is ideal for outdoor activities and happens to be eco-friendly to boot. The Eco Run is rechargeable via any USB port such as your laptop and/or mobile phone charger (charging cable included). In case you find yourself on a dark road, the Eco Run has two light strengths and one blinking strobe light mode to let oncoming cars know you're there; on a fully charged battery, and depending on the mode, the Eco Run will remain one for three to five hours. Finally, the strong magnetic fastener of the body will ensure the Eco Run remains on you even in the midst of a rigorous run. Product Features LED light with two light strengths and one blinking strobe light mode USB Rechargeable (3,7 volt - 0,22 watt) via lithium polymer battery 60 mAh with overcharge and deep charge protection Watch How to Video USB charging cable included Dimensions: 1.38 x 1 x 1 inches Materials: aluminum/silicone with a matte finish Weight: 0.07 lbs. Available in red, titanium, black and blue Packaging full color cardboard Box TOR90/RD GTIN 4024023202001 TOR90/BK GTIN 4024023202124 TOR90/BL GTIN 4024023202117 TOR90/TI GTIN 4024023202032 Customize Troika Eco Run Re-chargeable Magnetic LED Light with Logo Engraving Max engraving surface size: 0.47 x 0.31 inches Engrave a special message and/or promote your business with customized Troika Echo Run LED Lights. Click here for more information on item customization and personalization.