Esperanza TWS CARDERA Headphones Wireless In-ear Calls/Music Bluetooth Black

Wearing style: In-ear | Battery technology: Lithium Polymer (LiPo) | Intraaural headphones type: Earbuds | Backlight: Yes | Battery capacity: 30 mAh | Charging source: Battery | Product type: Headphones | Battery technology (charging case): Lithium Polymer (LiPo) | Backlight colour: Red | Microphone in: Yes | Recommended usage: Calls/Music | Control type: Buttons | Product colour: Black | Fast charging time: 60 min | Wireless range: 10 m | Headphone frequency: 20 - 20000 Hz | Connectivity technology: Wireless | Bluetooth: Yes | Bluetooth version: 5.0 | Bluetooth profiles: HSP | Battery capacity (charging case): 300 mAh | Base station USB connector: USB Type-C | Ear coupling: Intraaural | Battery type: Built-in battery | Base station colour: Black | Input voltage (earpieces): 5 V | Bluetooth profiles: AVRCP | Bluetooth profiles: HFP | Talk time: 4 h | Bluetooth profiles: A2DP