Esperanza EH238K Bluetooth In-Ear Headphone TWS Black

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