Technaxx MusicMan. Product type: Headphones. Connectivity technology: True Wireless Stereo (TWS), Bluetooth. Recommended usage: Calls/Music. Headphone frequency: 20 - 20000 Hz. Weight: 7.8 g. Product colour: White Ports & interfaces Connectivity technology: True Wireless Stereo (TWS) USB connectivity: Yes USB connector: USB Type-C Bluetooth: Yes Bluetooth profiles: A2DP, AVRCP, CVC, HFP, HSP Bluetooth version: 5.3 Frequency band: 2.4 GHz Weight & dimensions Width: 21.2 mm Depth: 32.4 mm Height: 22.2 mm Weight: 7.8 g Charging case dimensions (W x D x H): 45.1 x 60.5 x 23.8 mm Power USB Type-C charging port: Yes USB Type-C required charging power (min): 5 W USB Type-C required charging power (max): 5 W Operational conditions Operating temperature (T-T): -10 - 50 °C Microphone Microphone type: Built-in Headphones Ear coupling: Intraaural Headphone frequency: 20 - 20000 Hz Impedance: 16 Packaging content AC adapter included: No Battery Battery type: Built-in battery Battery technology: Lithium Polymer (LiPo) Battery capacity: 30 mAh Input voltage (earpieces): 3.7 V Battery technology (charging case): Lithium Polymer (LiPo) Battery capacity (charging case): 300 mAh Output voltage (charging case): 3.7 V Standby time: 4 h Performance Product type: Headphones Wearing style: In-ear Recommended usage: Calls/Music Product colour: White Headset type: Binaural Control type: Touch Sound pressure level (max): 98 dBVis mereVis mindre