Technical details Net weight: 34 g Weight and dimensions Product weight: 37 g Product height: 59 mm Product depth: 23 mm Product width: 39 mm Efficiency Product color: Black Headset type: Stereo Wearing style: In-ear Product type: Headset Volume control: Touch Application: Calls/Music/Sports/Everyday LEDs: Yes IP protection class: IPX4 Packaging data Package depth: 27 mm Package width: 80 mm Weight with packaging: 68 g Package height: 145 mm Package contents Charging case: Yes Cables: USB Type-C Quantity: 1 Charging box connection type: USB Type-C Charging type: Wired Accessories included: 3 sizes of gel eartips Ports and interfaces Connectivity: True Wireless Stereo (TWS) Bluetooth: Yes Bluetooth version: 5.3 Battery Supported battery type: Built-in Music playback time: 8 h Battery powered: Yes Fast charging: Yes Continuous audio playback time (with charging case): 20 h Other functions User Guide: Yes Headphone plug with microphone: Bluetooth 5.3 Connector type: USB-C Microphone Microphone type: Built-in microphone Safety warning Warnings Do not use near sources of heat or fire. Keep away from children. Check the condition of the batteries regularly to prevent leakage. Headphones Headphone construction: In-ear Frequency response: 20 - 20000 Hz Impedance: 16 Ω Headphone sensitivity: 104 dB Total harmonic distortion: 3% Speaker diameter: 6 mm Supplier Features Battery life: 1320 min