Christmas Blue String Lights – Smart, Waterproof LED Holiday Lights
Create a vibrant holiday atmosphere with our Christmas Blue String Lights—flexible, waterproof, and USB-powered for safe indoor or outdoor use. Controlled by Bluetooth app, with 8 dynamic lighting modes.
Perfect for decorating Christmas trees, patios, fences, windows, or storefronts. Available in 10m, 20m, 30m, or custom lengths to meet various festive or commercial display needs.
Looking for custom options or wholesale pricing? Contact us today to get your quote or request a sample.






Christmas Green String Lights – Flexible, Waterproof, App-Controlled Holiday Lighting
Bring your space to life with our Christmas Green String Lights – a smart, flexible lighting solution designed for both festive and everyday decoration. Built with durable PVC, these lights are waterproof, dustproof, and safe for indoor and outdoor use. Powered by low-voltage USB and controlled via Bluetooth-enabled mobile app, this is lighting made simple, smart, and stunning.
Christmas Blue String Lights – Technical Specifications
Feature | Details |
---|---|
Material | Flexible PVC |
Protection Level | Waterproof & Dustproof (Indoor/Outdoor use) |
Power Supply | USB 5V Low Voltage |
Control Method | Bluetooth App (iOS & Android) |
Operating Temperature | -20°C to 50°C |
Light Modes | 8 Dynamic Effects + Steady On + Auto Cycle |
Lighting Effects | Steady Dual Light, Wave Forward, Dual Running Light, Fade In/Out, Star Flash Running, Dual Fade, Star Flash |
Color Options | 2700K / 6500K / Red / Yellow / Blue / Green / RGBY / Double RGBY |
Timer Function | ON/OFF Scheduling via App |
Available Lengths | 10m / 20m / 30m (Custom Lengths Available) |
Certifications | CE / ETL / FCC / ROHS |
Key Benefits of Our Christmas Blue String Lights
Our blue LED string lights combine function and style for holiday, event, or home décor use. The flexible PVC material is easy to shape, and the low-voltage USB power ensures safe operation.
Flexible and durable PVC string
USB-powered for energy efficiency and safety
IP65 waterproof and dustproof for outdoor use
Bluetooth app control (iOS & Android)
Ideal for trees, fences, balconies, and windows
LED Lighting Modes for Blue Holiday String Lights
The Christmas Blue String Lights come pre-programmed with 8 festive lighting modes to suit every mood and setting:
Steady On
Dual Light On
Forward Wave
Dual Light Chasing
Single Light Fade
Starry Flash Chasing
Dual Light Fade
Starry Flash
Each mode can be controlled and customized through the Bluetooth app.
Outdoor and Indoor Uses for Blue LED Holiday String Lights
Whether you’re decorating for Christmas or setting the mood for a winter party, these blue LED string lights work perfectly in a wide range of applications:
Christmas tree decorations
Fence, balcony, and garden lighting
Storefront and window displays
Holiday party or wedding décor
Seasonal home accents and DIY crafts
1. Christmas Blue String Lights for Outdoor Decoration
Our Christmas Blue String Lights are IP65 waterproof and built for outdoor use. Wrap them around trees, balconies, or fences to create a bright, icy blue holiday glow in any weather.
2. Flexible LED Blue String Lights with USB Power
These flexible LED blue string lights run on low-voltage USB power, making them safe and energy-efficient. Easily shape them around indoor furniture or outdoor décor without tools or adapters.
3. Smart-Controlled Christmas Blue Lights via Bluetooth App
Control your Christmas Blue Lights from your smartphone. Switch lighting modes, set timers, and adjust brightness with our Bluetooth app for convenient, hands-free holiday decorating.
4. Custom-Length Blue Holiday String Lights for Events
Need specific lengths for your project? Our blue holiday string lights are available in 10m, 20m, 30m, or custom sizes—perfect for event planners, holiday displays, or large installations.
Frequently Asked Questions about Christmas Blue String Lights
Q1: Can I use these LED string lights outdoors during winter?
Yes, the IP65 waterproof rating and -20°C to 50°C temperature range make them safe for year-round outdoor use.
Q2: What is the power source?
They are powered by USB 5V, compatible with power banks, phone adapters, or USB ports.
Q3: Can I control the lights from my phone?
Yes, just download the app and connect via Bluetooth to switch modes, set timers, or adjust brightness.
Q4: Is customization available for size or color?
We offer custom lengths and additional color options including RGB, warm white, and more.
Q5: Do the lights remember my settings?
Yes, they feature memory and timer functions via app control.