<ul> <li>Brand: FineBlue.</li> <li>Model: F930.</li> <li>Bluetooth version: 5.4 + EDR.</li> <li>Bluetooth chip: CSR.</li> <li>Bluetooth mode: Hands-Free.</li> <li>Connectivity: Wireless.</li> <li>Connecting interface: Micro-USB.</li> <li>Wireless frequency: 2.4GHz -2.48GHz.&nbsp;</li> <li>Working voltage: 3.6V.</li> <li>Charge voltage: 5V.</li> <li>Battery capacity: 80mAh.</li> <li>Transmission distance: 10m</li> <li>Charge time: 1-2 hour.</li> <li>Working current: ≤ 25mA.</li> <li>Talk Time: 5 hours.</li> <li>Play time: up to 8 hours.</li> <li>Music Time: 4 hours.</li> <li>Standby Time: 180 hours.</li> <li>Function:</li> </ul> <ul> <li style="list-style-type: none;"> <ul> <li>Bluetooth.</li> <li>Microphone.</li> <li>Voice control.</li> <li>Answering Phone.</li> <li>Song switching.</li> <li>Vibratg Alert.</li> <li>multi connection function (Pair two phones simultaneously).</li> <li>Patented retractable cable technology, after fishg your call, retract your cable with asgle push of a button.</li> <li>Application: Mobile phone, Computer, portable media player.</li> </ul> </li> </ul> <ul> <li>Colors: Black, Gold, Silver.</li> </ul>