Product Type: USB 2.0 Extension Cable Product Material: Environmental Protection Material Product Color: Black Cable Length: 1M, 0.5M   Specifications: 1. The Working Indicator Light Can Control The Power Supply Or Transmission Of The Equipment Through The Switch To Reduce The Plug-in And Pull-out Protection Of The Connection 2. New Upgrade, Switch + LED Light Display, Charging + Transmission Two-in- 3. High-quality Pure Copper Wire Core Is Non-destructively Extended With Real Materials. 4. USB Cable With Switch, Gone Are The Of Plugging And Unplugging The USB Cable With Just A Slight Push, The Operation Will Start/end 5. Can Use USB Light, USB Fan, Driving Recorder, LED Desk Lamp, Etc., Error-free Data Transmission, Not Only For Power Supply, But Also For Data Transmission 6. With The LED Indicator, You Can See The Working Status   Package Included: 1*extension Cord