ONEPLUS NORD BUDS 2 EARBUDS

Dimentions Earbuds: 27.5*21.05*24.4mmCharging case: 67.99*28.9*35.5mmDrivers: 12.4mm dynamic driver Titanized vibrating diaphragmBass enhancement algorithm: BassWave® algorithmDriver sensitivity: 111 dB ± 3 dB @ 1 kHz 179mVFrequency response: 20 Hz – 20,000 Hz Microphones: 4 (2 per earbud)