OPPO Enco Air2i In-Ear AI Call Noise Reduction Music Game Wireless Bluetooth Earphones(Black)

Features:1. Touch operation, easy and convenient2.10mm composite titanium-plated sound unit, bringing strong power and sound penetration3. After connecting the phone, double-click the headset to take a photo4. AI intelligent noise reduction, clear calls5.IPX4 dustproof and waterproof6. Low frequency enhancement engine7. Bluetooth 5.2, low latency and stable dual transmission8. Small and comfortable, fit the auricleProduct parameters:1. Bluetooth version: 5.22. Effective distance: 10 meters3. Sound unit: 10mm moving coil4. Speaker sensitivity: 101dB@1kHz5. Frequency response range: 20Hz-20kHz6. Bluetooth codec: AAC/SBC7. Battery capacity: 40mAh (headphone) / 460mAh (charging box)8. Charging time: 90min (headphone)/200min (headphone+charging box)9. Interface: Type-C/USB-C10. Waterproof grade: IPX411. Dimensions: earphone: 35.2 x 20.3 x 23.3mm, charging case: 57 x 57 x 25.6mm12. Net weight: earphones: 4 grams, charging box: 30 grams, complete set: 38 grams