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

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