Bluetooth Version: V5.0 Bluetooth Chipset: JL Battery Standby Time Approx 100 hours Battery Talk/Music Time more than 20 hours Battery Charge Time About 3 hours Bluetooth range:>10 meters (33feet) Speaker Size 40 mm Noise cancellation rate :95% (up to 20-23 dB) Impedance: 32 Ohm ANC only: 40 hours Bluetooth only: 20 hours ANC + Bluetooth :15 hours Audio Jack : 3.5mm AUX"