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

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