Oppo Enco Buds2, 10mm Large Titanium Driver, Enco Live Stereo Sound Effect, Up to 28 Hours of Listening Time, AI Deep Noise Cancellation for Calls - Moon light

Audio quality Driver: 10 mm dynamic driver Driver sensitivity: 101 dB @ 1 kHzFrequency response range: 20 Hz – 20 kHz Bluetooth Bluetooth® codec: AAC/SBC Bluetooth® version: 5.2 Bluetooth® range: 10m Battery Life Battery type: Rechargeable Li-ion Cell Battery capacity: 40 mAh (Earbuds) / 460 mAh (Charging Case) Music play time (50% volume): 7 h (single charge)/ 28 h (with Charging Case) Communication time (50% volume): 4 h (single charge)/ 16 h (with Charging Case) Charging Charging time: 90 min(Earbuds)/ 200 min( Earbuds Charging Case) Charging port: USB Type-C Water and dust resistance Dust & water resistance (Earbuds): IPX4 Size Weight: 4.0 g/Earbud，30.0 g/Charging Case, 38.0 g/Product Size (Charging Case): 57 mm*57 mm*25.6 mm Size (Earbud): 35.2 mm*20.3 mm*23.3 mm Size (Package): 100 mm*100 mm*32 mm