Liberty 4 NC Black - True Wireless Stereo (TWS) in-ear headphones, bla

LED indicators: Yes International Protection (IP) code: IPX4 Headphone frequency: 20 - 40000 Hz Product type: Headset Product colour: Black Headset type: Binaural Recommended usage: Calls/Music Protection features: Water resistant Wearing style: In-ear Cables included: USB Type-C Charging case: Yes USB connector: USB Type-C Connectivity technology: True Wireless Stereo (TWS) Bluetooth version: 5.3 Bluetooth: Yes USB connectivity: Yes Battery type: Built-in battery Continuous audio playback time (with charging case): 50 h Wireless charging: Yes Continuous audio playback time: 10 h Microphone type: Built-in Number of microphones: 6 Driver unit: 1.1 cm Base station USB connector: USB Type-C Base station colour: Black