Clean earbuds, no scratches, used for less than two months 🔊 Audio performance and drivers Audio system: Equipped with dual dynamic drivers (11mm for low frequencies and bass + 6mm for high frequencies). Materials: Driver diaphragm is titanium-coated to deliver pure, deep, and balanced treble sound. Spatial Audio: Supports spatial audio rendering technology to enhance surround sound in real-time. [1] ( [2] ( [3] ( Noise cancellation and call technologies Cancellation depth: Built-in Active and Adaptive Noise Cancellation (ANC) up to 50 dB. Cancellation levels: Supports 3 intelligent levels that change according to the location (deep for noisy places like the metro, medium for cafes, and light for offices and libraries). Transparency modes: Dual transparency mode allows you to hear ambient sounds and talk to others without needing to remove the earbuds. Calls: AI-enhanced 3-microphone system to accurately separate your voice from external noise during calls. [1] ( [2] ( [3] ( [4] ( Battery and charging Earbud battery life (single charge): Up to 9 continuous hours (when noise cancellation is turned off). Total battery life: Up to 46 hours of playback when using the charging case. Battery capacity: 45 mAh per earbud, and 500 mAh for the charging case. Fast charging: Fast charging via Type-C port; 10 minutes of charging gives you up to 3 hours of listening. Full charging time: Approximately 55 minutes for the earbuds inside the case, and 110 minutes to fully charge the charging case. Color: White Condition: Used