General Features Driver size: 12mm Dynamic Drivers Dynamic frequency response range: ANC Depth: ANC Modes: 20Hz-24KHz 25dB at 2kHz Three modes (Noise cancellation/Transparency/Off) Environmental Noise Cancellation: AI ENC for clear and uninterrupted calls IPX Rating: IPX4 - Earphones only (Sweat and Splash Proof) Control type: Touch Charging interface: Type-C Bluetooth Bluetooth Version: Bluetooth®5.4 Bluetooth range: 10m Supported Audio Formats: SBC Features Google Fast Pair: Yes App Support: Yes - Xiaomi Earbuds App Low Latency Mode: Yes Latency: 60ms Battery Battery Capacity: 440mAh(Case), 34mAh x 2(Earbuds) Battery Charge Time: Approx. 42 mins(Earbuds) Approx. 1.5 hours(Case) Playback time ANC OFF | 50% Volume | SBC: Case + Earbuds - Up to 30hrs Earbuds - Up to 5hrs ANC OFF | 50% Volume | SBC: Case + Earbuds - Up to 23hrs Earbuds - Up to 3.5hrs Fast Charge: 10mins = ~90mins