Esperanza EH231K headphones/headset Wireless In-ear Calls/Music Micro-USB Bluetooth Black

Bluetooth version: 5.0 | USB connector: Micro-USB | Product colour: Black | Battery capacity (charging case): 300 mAh | Recommended usage: Calls/Music | Battery type: Built-in battery | Battery voltage: 5 V | Bluetooth: Yes | Base station USB connector: USB Type-C | Intraaural headphones type: Earbuds | Ear coupling: Intraaural | Connectivity technology: Wireless | Wearing style: In-ear | LED indicators: Power | Product type: Headphones | Battery capacity: 40 mAh | Bluetooth profiles: HSP | Bluetooth profiles: HFP | Control type: Touch | Frequency band: 2.402-2.480 GHz | Bluetooth profiles: A2DP | Bluetooth profiles: AVRCP | Talk time: 4 h | Headphone frequency: 20 - 20000 Hz | Base station colour: Black | Battery recharge time: 1 h | Microphone type: Built-in