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

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