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

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