Esperanza EH230W Bluetooth In-Ear Headphone TWS White

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