There is a USB micro charging port USB on a Bluetooth speaker. There are red, black, green, and white. What is positive with a negative, and where's the green and white? -
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TYUMEN 100FT 12/2 Gauge 2pin 2 Color Red Black Cable Hookup Electrical Wire LED Strips Extension Wire 12V/24V DC Cable, 12AWG Flexible Wire Extension Cord for LED Ribbon Lamp Tape Lighting: Amazon.com:
![Audiopipe 50' ft 18 Gauge Red Black Stranded 2 Conductor Speaker Wire for Car Home Audio Installation - Walmart.com Audiopipe 50' ft 18 Gauge Red Black Stranded 2 Conductor Speaker Wire for Car Home Audio Installation - Walmart.com](https://i5.walmartimages.com/seo/Audiopipe-50-ft-18-Gauge-Red-Black-Stranded-2-Conductor-Speaker-Wire-for-Car-Home-Audio-Installation_ad3887c0-6577-46cf-a682-d35481f216dc.45ae6b867710ca9ebcf9227b33686868.png)
Audiopipe 50' ft 18 Gauge Red Black Stranded 2 Conductor Speaker Wire for Car Home Audio Installation - Walmart.com
![electrical - How many wires per connector, why is a black wire connected to a white wire, how to install brace bar without attic access? - Home Improvement Stack Exchange electrical - How many wires per connector, why is a black wire connected to a white wire, how to install brace bar without attic access? - Home Improvement Stack Exchange](https://i.stack.imgur.com/14m69.jpg)
electrical - How many wires per connector, why is a black wire connected to a white wire, how to install brace bar without attic access? - Home Improvement Stack Exchange
HELP PLEASE - Assistance wiring a Leviton DZS15 Switch - Devices & Integrations - SmartThings Community
![No knowledge of this stuff. Need a red and black wire. Have red but theres no black. Have a green wire, a white wire, red wire and exposed (copper?) wire I assume No knowledge of this stuff. Need a red and black wire. Have red but theres no black. Have a green wire, a white wire, red wire and exposed (copper?) wire I assume](https://i.redd.it/zg4l7mv5azy31.jpg)
No knowledge of this stuff. Need a red and black wire. Have red but theres no black. Have a green wire, a white wire, red wire and exposed (copper?) wire I assume
![Amazon.com: TYUMEN 40FT 18 Gauge 2pin 2 Color Red Black Cable Hookup Electrical LED Strips Extension Wire 12V/24V DC Cable, 18AWG Flexible Wire Extension Cord for Ribbon Lamp Tape Lighting : Everything Amazon.com: TYUMEN 40FT 18 Gauge 2pin 2 Color Red Black Cable Hookup Electrical LED Strips Extension Wire 12V/24V DC Cable, 18AWG Flexible Wire Extension Cord for Ribbon Lamp Tape Lighting : Everything](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61IWH5z0O6L.jpg)