B39 Bluetooth 5.0 Headphones RGB HiFi Bass Foldable TF Card

B39 Wireless Bluetooth Headphones – RGB Lighting, HiFi Bass & TF Card Playback

Meet the B39 Bluetooth 5.0 Over-Ear Headphones — your all-in-one audio companion built for music lovers, gamers, and on-the-go listeners. With rich HiFi stereo sound, eye-catching seven-color RGB breathing lights, a foldable design, and dual wireless/wired modes, these headphones deliver serious versatility at an unbeatable price.

Made in Mainland China.

🎵 Why You'll Love the B39 Headphones

1. HiFi Powerful Bass Stereo Sound

Powered by 40mm dynamic driver diaphragm speakers, the B39 delivers deep, punchy bass and crisp, immersive stereo audio. Whether you're streaming your favorite playlist or taking calls, every note comes through with clarity.

2. Comfortable Over-Ear Fit for Long Sessions

Featuring soft protein leather earpads and an adjustable, retractable headband designed with ergonomic principles, these headphones mold to the shape of your head and ears — so you can wear them for hours without fatigue or discomfort.

3. Foldable & Ultra-Portable

The foldable design makes the B39 easy to collapse and toss into a bag, backpack, or luggage. Take your music anywhere — to the gym, commute, office, or travel.

4. Bluetooth 5.0 for Seamless Wireless Connectivity

Equipped with Bluetooth 5.0 CSR chipset, these headphones offer stable, low-latency wireless pairing within up to 10 meters. Compatible with smartphones, tablets, laptops, and any Bluetooth-enabled device. Supports A2DP 1.2, AVRCP 1.0, HSP, and HFP 1.5 profiles.

5. Never Power Off – Dual Wireless & Wired Mode

Running low on battery? No problem. Switch seamlessly to wired mode using the included 3.5mm audio cable and keep the music going indefinitely. In wireless mode, the built-in 400mAh rechargeable lithium battery provides up to 10 hours of playback and up to 20 days of standby time. Charges fully in just 2.5 hours.

6. TF/Micro SD Card Slot – Your Own Music Player

Load your favorite MP3s onto a Micro SD (TF) card and play music directly from the headphones — no phone needed! Perfect for workouts, flights, or any time you want to travel light.

7. Built-In Microphone for Hands-Free Calls

Take calls without reaching for your phone. The built-in microphone supports hands-free calling with voice reporting of incoming call numbers, keeping your voice clear even in noisy environments.

8. Colorful RGB Breathing LED Lights

Stand out from the crowd with seven-color cycling RGB lights that pulse with a cool breathing effect — great for gaming sessions, workouts, or just showing off your style.

9. Volume Control Included

Conveniently adjust your audio level on the fly with the integrated volume control — no need to unlock your phone every time.

📦 What's in the Box

• 1× B39 Bluetooth Headphone
• 1× Charging Cable (Mini 5-pin USB)
• 1× 3.5mm Audio Jack Adapter
• 1× User Manual

🔧 Full Technical Specifications

🎧 Great Pairings & Accessories

Looking for more ways to enjoy your audio setup? Check out these related products from our store:

• 1-In-2-Out HDMI Splitter Cable 1080P 3D – TV Monitor Projector – Perfect for connecting your entertainment system
• 1.35m Selfie Stick Tripod | Bluetooth Remote & Auto Phone Holder – Ideal companion for content creators on the go

📚 Learn More About Audio & Hearing Health

Listening at safe volume levels protects your long-term hearing. Learn more from the CDC's Noise-Induced Hearing Loss resource.

Frequently Asked Questions

Q: Do the B39 Bluetooth headphones have active noise cancellation?

A: The B39 headphones do not feature active noise cancellation (ANC). However, the over-ear design with soft protein leather earpads provides passive sound isolation, helping to reduce ambient background noise for a more focused listening experience.

Q: Can I use the B39 headphones without Bluetooth — as wired headphones?

A: Yes! The B39 supports both wireless Bluetooth and wired modes. Simply plug in the included 3.5mm audio cable to use them as wired headphones, even when the battery is fully depleted — so your music never stops.

Q: How do I use the TF/Micro SD card feature on the B39 headphones?

A: Load MP3 music files onto a compatible Micro SD (TF) card, insert it into the TF card slot on the headphones, and use the volume/playback controls to listen to your music directly — no smartphone or Bluetooth connection required.

Q: How long does the battery last on the B39 Bluetooth headphones?

A: The built-in 400mAh rechargeable lithium battery provides up to 10 hours of music playback or talk time on a single charge. Charging takes approximately 2.5 hours via the Mini 5-pin USB port, and standby time can reach up to 20 days.

Q: Are the B39 headphones compatible with my device?

A: Yes! Thanks to Bluetooth 5.0 and a universal 3.5mm audio jack, the B39 headphones are compatible with virtually any smartphone, tablet, laptop, PC, or device that supports Bluetooth or has a 3.5mm headphone port — including iOS and Android devices.