Dynamic driver • Frequency response: 14 Hz – 40 kHz • Audio features: Active Noise Cancellation (ANC), call noise cancellation, transparency mode • Battery life: • Earbuds: Up to 8 hours (ANC off), 5 hours (ANC on) • With charging case: Up to 35 hours (ANC off), 20 hours (ANC on) • Charging time: • Earbuds: ~40 minutes (in case) • Case: ~1 hour (wired) •