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

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