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

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