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

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