Under Brand Official Warranty (Purchased Date: 12 February 2025)

• Adaptive Hybrid Active Noise Cancellation up to 50dB. Premium noise canceling powered by adaptive ANC technology and QuietSmart 3.0. EarFun Air Pro 4 noise cancellation earbud automatically detect your unique ear canal shape to achieve maximum noise-canceling performance.
• Support for LDAC, LE Audio, and LC3 codecs ensures compatibility with high-fidelity sources. AI Algorithm and 6 Mics ENC. Enhanced by 6 built-in microphones, advanced AI algorithms, and Qualcomm cVc 8.0 tech, the wireless earbuds with active noise cancellation effectively eliminate background noise to improve vocal clarity during calls. Enjoy crystal -clear calls regardless of your surroundings.
• Qualcomm Snapdragon Sound with aptX Lossless. Featuring Qualcomm QCC3091 SoC with aptX Lossless Audio , Certified Snapdragon Sound, and Hi-Res Audio. EarFun Air Pro 4 wireless bluetooth earbuds deliver robust bass, articulate midrange, and sparkling treble.
• Multipoint Connection & Bluetooth 5.4. Combined with Bluetooth 5.4 and Multipoint Connection, the Bluetooth wireless earbuds can connect with two Bluetooth devices simultaneously, offering ultra-low power consumption, and the most secure connection. Use the integrated Google Fast Pair feature with Android devices.
• 52 Hours of Playtime and Quick Charge. Experience up to 11 hours of battery life on a single charge, and extend playback up to 52 hours with the USB-C charging case. A 10-minute fast charge can boost up to 2 hours of playtime.
• Support customize the EQ to find your preferred sound. The tws earbuds can use the Sound Profile found in EarFun’s companion Audio App to customize the EQ to find the perfect sound for you, we are committed to becoming your best music partner. **Tips: Please reset the earbuds after upgrading firmaware.
• @Note! 1.If you receive a “damaged item”: It may be a resold returned product. Please contact us immediately for replacement. 2. After receiving the package, please record an unboxing video. Ensure your hands are clean when opening the headset to avoid slippage and accidental drops. 3.For potential “speaker issues” that may be mistaken as defects, please avoid these three factors: (a) Unstable mobile signal (b) Bluetooth interference from surrounding electronic devices (c) Physical obstacles between the headset and connected device
• Connect Socially with Auracast. With Auracast Broadcast Audio you can share what you enjoy with others, tune into local broadcasts, and use the service with assistive listening systems (ALS).