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

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