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

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