Esperanza EH238K Bluetooth In-Ear Headphone TWS Black

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