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

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