I want to run the led around the whole room, so i need about 65ft, i want it to have a chasing pattern, what do i do, what parts do i need to buy?

First thing I would do is calculate how many LEDs are in your 65 feet length and multiple that number by .06 to establish the maximum current required for your power source. Next do you want to program the lights yourself or do you want pre written selectable patterns? Programmable is hardest method and I have no experience with any of them. Selectable patterns are usually written with a couple of hundred patterns to choose from. I've had great success withhttps://smile.amazon.com/dp/B07FDW1VZB/ref=cm_sw_r_cp_apa_glt_fabc_WJZCRHYWHS60F9Q7377T Your power supply can be from five (5) volts to twenty four (24) volts and there will not be a need to buy a separate power supply for your lights and controller. Best of luck on your project.

What are the 2 loose wires for? Are they just a secondary conection for power?

From a google search I found this image( https://a.pololu-files.com/picture/0J4995.1200.jpg ) which shows the Arduino using signal and ground on the 3-wire connector and external power supply connected to the two "loose wires". So I would think that for a short section/small number of LEDs it could be powered directly from the 3-wire connections. But if a long string of LEDs is going to be used, lots of current/power is needed and connecting to a beefy power supply would be requires so the loose wires can be used for that.

I want to run 4 -16.4 feet strips together , can i use the bluetooth sp611e sync music controller instead of the sp601e controller ????

there are two output , each output port can control max 600LED

I bought a ws2812 led strip but what else do i need to use it?

At the very least you need a +5V DC power supply and a data signal. That could be from a Raspberry Pi or an Arduino. There are tons of tutorials on the web on how to drive a WS2812.

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BTF-LIGHTING WS2812B IC RGB LED Strip,UL Listed,Pure Gold Wires,DC5V 3.28FT 144LED 5050SMD,Individually Addressable,Flexible for DIY Chasing Full Color Project,3M Tape,IP30(No Adapter or Controller)

BTF-LIGHTING WS2812B IC RGB LED Strip,UL Listed,Pure Gold Wires,DC5V 3.28FT 144LED 5050SMD,Individually Addressable,Flexible for DIY Chasing Full Color Project,3M Tape,IP30(No Adapter or Controller)

Product ID: 28950961

Details

Brand
BTF-LIGHTING
Color
Black Pcb Ip30
Indoor/Outdoor Usage
Indoor
Light Color
Multicolor
Light Source Type
LED
Occasion
Christmas New

💡144 individually addressable LEDs

📏3.28ft flexible & cuttable strip with 3M adhesive

🔋Pure gold wire for stable, long-lasting brightness

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Description

🌈 Light up your space like a pro — don’t just follow trends, create them!

PREMIUM DURABILITY - Built with pure gold wires and UL certification, ensuring superior stability, less light decay, and a longer lifespan than typical LED strips.
EFFORTLESS INSTALLATION - Flexible, cuttable design with pre-installed 3-pin connectors and strong 3M double-sided tape for seamless DIY mounting and daisy chaining.
PRECISION COLOR CONTROL - Each of the 144 LEDs is individually programmable with 24-bit color depth and 256 brightness levels for ultra-smooth, dynamic lighting effects.
VERSATILE COMPATIBILITY - Works flawlessly with popular controllers and apps like ESP32, WLED, Tuya, and more—perfect for professional-grade smart lighting projects.
VIBRANT ENERGY EFFICIENT - Ultra-bright 5050 SMD LEDs deliver vivid colors while maintaining low power consumption (DC5V, 45W), ideal for stylish indoor ambiance.

The WS2812B RGB LED Strip by BTF-LIGHTING is a 3.28ft UL-listed, flexible LED strip featuring 144 individually addressable 5050 SMD LEDs wired with pure gold for exceptional brightness and longevity. Designed for seamless DIY customization, it supports advanced color control with 24-bit depth and 256 brightness levels. Equipped with 3M adhesive tape and pre-installed connectors, it’s compatible with a wide range of smart controllers and apps, making it the ultimate choice for millennial professionals seeking vibrant, reliable, and energy-efficient indoor lighting solutions.

Specifications

ASIN	B01CDTEJR0
Additional Features	DIY Project, Dream color, Individually Addressable, Pure Gold Wire, WS2812B RGB IC
Best Sellers Rank	#18,372 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #174 in LED Strip Lights
Brand Name	BTF-LIGHTING
Color	Black Pcb Ip30
Connectivity Protocol	Wi-Fi
Control Method	App
Controller Type	app
Customer Reviews	4.6 4.6 out of 5 stars (4,785)
Included Components	1x WS2812 LED Strip Light
Indoor Outdoor Usage	Indoor
Ingress Protection Code Rating	IP30
Item Dimensions	5.91 x 3.94 x 0.59 inches
Item Length	38.4 Inches
Item Weight	0.05 Kilograms
Light Color	Multicolor
Light Source Type	LED
Manufacturer	BTF-LIGHTING Technology Co., Limited
Manufacturer Part Number	WS2812B1M144LB30
Manufacturer Warranty Description	1 year manufacturer.
Material Type	Silicone Rubber
Model Number	WS2812B1M144LB30
Number of Batteries	10 A batteries required.
Number of Items	1
Number of Light Sources	144
Occasion	Christmas, Halloween, New Year
Power Source	Corded Electric
Product Style	Modern
Theme	Indoor LED Strip Lighting
UPC	602938067683
Unit Count	3.2 Feet
Voltage	5 Volts
Water Resistance Level	Not Water Resistant
Wattage	45 watts

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