Esperanza EH228K headphones/headset Wireless In-ear Calls/Music Micro-USB Bluetooth Black

Product colour: Black | Ear coupling: Intraaural | Battery capacity (charging case): 300 mAh | Intraaural headphones type: Earbuds | Bluetooth version: 5.0 | Battery type: Built-in battery | USB connector: Micro-USB | Headphone frequency: 20 - 20000 Hz | Control type: Buttons | Bluetooth: Yes | Recommended usage: Calls/Music | Battery voltage: 5 V | Connectivity technology: Wireless | Wearing style: In-ear | Bluetooth profiles: HSP | Bluetooth profiles: HFP | Bluetooth profiles: AVRCP | Bluetooth profiles: A2DP | Frequency band: 2.402-2.480 GHz | Battery recharge time: 1 h | Microphone type: Built-in | Product type: Headphones | Battery capacity: 40 mAh | Base station colour: Black | Talk time: 4 h | Battery technology: Lithium Polymer (LiPo)