Technical Details: Preset Low Latency Audio and Personalized EQ Modes Voice Assistant Auto Connect should be activated. Flat-folding and collapsible design of Bluetooth® v5.2 Type of Product: On-Ear Bluetooth® Connection Type: Bluetooth 5.2 32Ω Impedance; 40mm Driver Diameter THD: less than 3% at 1KHz Level of Sound Pressure: 94 +/- 3dB Response to Frequency: 20 Hz to 20 kHz 153g in weight