• [In-Ear Wireless Headphones] Experience the freedom of wireless listening with our innovative in-ear design that ensures a snug and comfortable fit for prolonged use
• [Smart Dynamic Noise Cancellation 3.0] Equipped with an advanced Smart Dynamic Noise Cancellation 3.0 algorithm, optimized for 34 different scenarios, the HUAWEl FreeBuds 6i offers lightning-fast adaptive noise cancellation. Every 2.6 microseconds, the headphones identify and calculate internal and external noise, dynamically adjusting the noise cancellation effect approximately every second to deliver a perfect balance of immersion and comfort
• [Triple Microphone System] With a comprehensive three-microphone setup, external noise is identified accurately. Two outer microphones capture environmental noise, while an inner microphone detects sounds in the ear canal. This setup enhances accuracy by 50%, significantly optimizing noise cancellation for mid and low frequencies
• [Powerful Bass Performance] Feel the pulse of your music! The 11mm four-magnet dynamic driver delivers vibrant, powerful bass, making your favorite pop and electronic tracks come alive. With a 50% boost in driving force, it plunges low frequencies down to 14Hz, providing a rich and satisfying low-end experience
• [Multi-Device Connectivity] Seamlessly connect to multiple HarmonyOS devices at once. Audio from any device will automatically switch to the headphones, ensuring uninterrupted listening. The headphones also support dual-device cross-system connectivity for added versatility
• [IP54 Dust and Water Resistance] No need to worry about dust, sweat, or rain when you're on the go. With an IP54 rating, these headphones are designed to withstand the elements, providing you with reliable performance wherever your adventures take you

Specifications:

• Lossless Audio Quality: Yes
• Spatial Audio: No
• Hi-Res: Yes
• HWA: No
• EQ Sound Effects: Yes
• Frequency Response Range: 14Hz-40KHz
• Frequency Range Data Source: Huawei Lab; Bluetooth-compatible connection uses L2HC/LDAC high-definition codec.
• Sound Unit: 11mm four-magnet dynamic driver
• Active Noise Cancellation: Yes, Smart Dynamic Noise Cancellation 3.0
• Transparency Mode: Yes
• Bluetooth-compatible Version: Bluetooth-compatible 5.3
• Offline Finding: No
• Dual Device Connection (System Unrestricted): Yes
• HarmonyOS Multi-device Connection: Yes (requires compatibility with HarmonyOS 3.0 or higher on certain Huawei models.)
• Low Latency: Yes (low-latency feature requires EMUI 10.1 or higher or HarmonyOS 2.0 or higher on Huawei smartphones/tablets; data sourced from Huawei Lab.)
• Charging Method: Wired Charging: USB-C
• Super Fast Charging: No
• Charging Time: Charging case for earphones: approximately 40 minutes; empty case wired charging: approximately 60 minutes
• Battery Type: Lithium-ion polymer battery
• Battery Capacity: Earphones: 55mAh (minimum per earphone); charging case: 510mAh (minimum)
• Battery life:
• Listening to music (noise reduction on): The headset can be used for about 5 hours on a single charge, and can be used for about 20 hours with the charging box;
• Listening to music (noise reduction off): The headset can be used for about 8 hours on a single charge, and can be used for about 35 hours with the charging box;
• Voice call (noise reduction on): The headset can be used for about 4 hours on a single charge, and can be used for about 16 hours with the charging box;
• Voice call (noise reduction off): The headset can be used for about 5.5 hours on a single charge, and can be used for about 21 hours with the charging box
• Waterproof and dustproof level:
• Earphones: Support dust and water resistance (IP54)
• Charging box: Not waterproof

Note: The product packaging is in Chinese.