OPEN BOX OnePlus Buds 4 – 55dB ANC, 45H Playback, Dual Drivers & Dual DACs, 3D Spatial Audio TWS Earbuds

Experience powerful, immersive sound with the OPEN BOX OnePlus Buds 4. Featuring up to 55dB Real-Time Dynamic ANC, 11mm + 6mm dual drivers, dual DACs, LHDC 5.0 Hi-Res Audio and OnePlus 3D Spatial Audio. Enjoy up to 45 hours of total playback with the charging case under specified test conditions.

Open Box | Quality Checked | Like New Condition | 15 Days Return

🔥 Key Highlights

• 🎧 55dB Real-Time Dynamic ANC – Reduce surrounding noise for a more immersive listening experience.
• 🔊 Dual Drivers – 11mm woofer + 6mm tweeter for detailed highs and powerful bass.
• 🎵 Dual DACs – Individual DAC control for the two drivers for more precise audio tuning.
• 🎶 LHDC 5.0 Hi-Res Audio – Supports high-resolution wireless audio on compatible devices.
• 🌐 OnePlus 3D Spatial Audio – Enjoy a more immersive and spacious listening experience.
• 🔋 Up to 45 Hours Playback – With charging case, under specified AAC/ANC-off test conditions.
• ⚡ Fast Charging – Up to 11 hours of playback with 10 minutes of charging under specified conditions.
• 📱 Bluetooth 5.4 – Stable wireless connectivity.
• 🔄 Dual-Device Connection – Connect with two compatible devices.
• 🎮 47ms Low-Latency Mode – Designed for responsive gaming.
• 💧 IP55 Rating – Protection against dust and water/sweat exposure as specified by the manufacturer.
• 🎙️ 3-Mic AI Call Noise Cancellation – Designed to improve voice clarity during calls.
• 📍 Find My Earbuds – Helps locate your earbuds when supported.
• ⚡ Google Fast Pair – Quick pairing with compatible Android devices.

📦 OPEN BOX Condition

This is an Open Box product, meaning the original packaging has been opened previously.

The product is quality checked before dispatch.

What you receive:

• OnePlus Buds 4 Earbuds
• Charging Case
• Compatible Eartips
• USB Charging Cable
• User Guide
• Safety/Warranty Card, if available with the particular unit

Note: Accessories and packaging condition may vary for Open Box inventory. The exact condition should be checked from the product images and listing details before ordering.

🎵 Sound & Audio

• Dual Dynamic Drivers
• 11mm Woofer
• 6mm Tweeter
• Dual DACs
• LHDC 5.0
• AAC / SBC support
• OnePlus 3D Spatial Audio
• Golden Sound
• Sound Master EQ
• BassWave Enhancement
• Deep Bass
• Hi-Res Audio support on compatible devices

🔇 Noise Cancellation

OnePlus Buds 4 supports Real-Time Dynamic ANC up to 55dB with adaptive noise cancellation technology.

The earbuds can dynamically adjust noise cancellation according to the surrounding environment.

It also supports Transparency mode for greater awareness of your surroundings.

🔋 Battery & Charging

Total Playback: Up to 45 hours with charging case under specified AAC, ANC-off conditions.

Manufacturer-rated examples:

• Earbuds + Case: Up to 45H with ANC Off
• Earbuds only: Up to 11H with ANC Off
• Earbuds + Case: Up to 24H with ANC On using AAC
• Earbuds only: Up to 6H with ANC On using AAC
• 10-minute charging: Up to 11 hours playback under specified conditions

Actual battery life can vary depending on volume, codec, ANC, calls and other usage conditions.

📱 Connectivity

• Bluetooth 5.4
• Dual-Device Connection
• Google Fast Pair
• Bluetooth Range: Up to 10m in typical listed conditions
• 47ms Low-Latency Gaming Mode
• Compatible with smartphones, tablets and other Bluetooth-enabled devices

💦 Protection

IP55-rated earbuds for dust and water resistance.

Suitable for everyday use and workouts, but not designed for immersion in water.

🎙️ Calling Features

• 3-Mic setup
• Feed-Forward Mic
• Feed-Back Mic
• Talk Mic
• AI Call Noise Cancellation
• AI Clear Call features

Designed to provide clearer voice pickup in everyday calling environments.

🤖 Smart Features

• AI Translation support on compatible devices/software
• Find My Earbuds
• Volume Swipe Control
• Touch Controls
• ANC / Transparency Control
• Dual-Device Connection
• Google Fast Pair

📋 Specifications

*Battery figures depend on codec, ANC status, volume and other usage conditions.

🛒 Why Buy From SostaDokan?

OPEN BOX = SMART SAVING

Get branded electronics at a lower price without paying the usual full retail price.

✅ Quality Checked Before Dispatch
✅ Open Box Condition Clearly Mentioned
✅ Product Details Clearly Listed
✅ 15 Days Return*
✅ Customer Support
✅ Smart Pricing

*Return eligibility is subject to SostaDokan's applicable return policy.

🔍 Product Condition Note

This is NOT being sold as a new/sealed-pack product. It is an OPEN BOX unit.

Please check the product images, condition details and included accessories before placing your order.