Thanks to the Noise Cancelling Earphones, you will be able to remove background noise and therefore get a higher quality music and video experience or just relax. Thanks to its ergonomic shape and to the different sets of silicone buds supplied, you will comfortably wear the earphones during many hours. The combination of inner battery and carrying case, deliver more than 24 hours of music, with noise cancelling experience. Bluetooth Connectivity 5.0 Bluetooth profiles HFP, A2DP, AVRCP Integrated microphone Speaker Diameter: 10 mm Operational range: 10 m Frequency range: 2.402-2.480 GHz Maximum power: 10 db Impedance: 16O Sensitivity: -91dB Battery capacity: 60 mAh (each earpiece) Battery capacity of the case: 500 mAh Playtime: 7 hours + 20 hours with the charging case (ANC OFF) 6 hours + 18 hours with the charging case (ANC ON) Earphones charging time: 45 minutes USB-USB Type C cable included 3 interchangeable eartips sets included (S, M, L)