Esperanza EH230W Bluetooth In-Ear Headphone TWS White

Battery type: Built-in battery | Bluetooth: Yes | Battery technology: Lithium polymer (LiPo 4S) | Weight: 70 g | Talk time: 4 h | Recommended usage: Travel/recreation | Battery operated: Yes | Ear coupling: Intraaural | Bluetooth profiles: A2DP, AVRCP, HFP, HSP | Connectivity technology: Wireless | Product colour: White | Volume control: Yes | Volume control: Buttons | Bluetooth version: 5.0 | Frame material: Plastic | Product type: Wireless headphones | Battery capacity: 40 mAh | Headphone frequency: 20 - 2000 Hz | Wearing style: In-ear | Number of batteries supported: 1 | Battery voltage: 5 V | USB connectivity: Yes | User guide: Yes | Continuous audio playback time: 3 h | Control type: Touch | Maximum operating distance: 10 m | Transmitter frequency: 2.4 GHz | Battery capacity: 300 mAh | Cables included: Charging cable | USB cable length: 0.25 m