Esperanza EH238K Bluetooth In-Ear Headphone TWS Black

Weight: 90 g Product colour: Black Wearing style: In-ear Control type: Touch Volume control: Buttons Recommended usage: Travel/recreation Product type: Wireless headphones Bluetooth: Yes Bluetooth profiles: A2DP, AVRCP, HFP, HSP Connectivity technology: Wireless USB connectivity: Yes Maximum operating distance: 10 m Transmitter frequency: 2.4 GHz Bluetooth version: 5.3 Talk time: 4 h Number of batteries supported: 1 Battery technology: Lithium polymer (LiPo 4S) Continuous audio playback time: 3 h Battery type: Built-in battery Battery voltage: 5 V Battery capacity: 230 mAh Battery operated: Yes USB cable length: 0.2 m Frame material: Plastic User guide: Yes Cables included: Charging cable Included cable : USB C / USB C PD Headphone frequency: 20 - 2000 Hz Ear coupling: Intraaural Volume control: Yes Battery capacity: 30 mAh