OPPO Enco Air2 Wireless Semi-in-ear AI Call Noise Reduction Music Sports Bluetooth Earphones(Blue)

Features:1. Touch operation, easy and convenient2. AI deep call noise reduction, clear and comfortable calls3. Using a 13.4mm composite titanium-plated diaphragm, the sound energy is doubled4. Enco Live tuning, personalized sound effects5. Ergonomic design, comfortable to wear6. Translucent jelly charging compartment, matte texture, round feel7. 24-hour music battery life, IPX4 life waterproof8. Unique bass tube, reshape the rhythm of the music9. Small and comfortable, fit the auricleProduct parameters:1. Bluetooth version: 5.22. Effective distance: 10 meters3. Sound unit: 13.4mm moving coil4. Speaker sensitivity: 125-131dB@1kHz5. Frequency response range: 20Hz-20kHz6. Bluetooth codec: AAC/SBC7. Microphone sensitivity: -38dBV/Pa8. Battery capacity: 27mAh (headphone) / 440mAh (charging box)9. Charging time: 1.5h (headphone), 2h (charging box)10. Interface: Type-C/USB-C11. Waterproof grade: IPX412. Net weight: complete set: 39.9 grams