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

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