<ul><li><p>Great Bluetooth receiver to convert your wired headphones earbuds or headphones to wireless ones</p></li><li><p>Bluetooth 5.0 version, low power consumption and high rate stable signal transmission</p></li><li><p>High resolution restoration of lossless sound quality, bringing CD-level experience of music and hands-free call</p></li><li><p>Just turn on the Bluetooth of the cell phone, then turn on the Bluetooth receiver, and it can be automatically paired</p></li><li><p>Built-in rechargeable lithium battery, fully charged once and used for 4 hours</p></li><li><p>Plug and play, can be used without network<br/></p></li></ul><p><strong>Specification:</strong></p><ul><li><p>Model: C28</p></li><li><p>Battery capacity: 140 mA</p></li><li><p>Output interface: 3.5mm audio<br/></p></li><li><p>Transmission speed: 100 (Mbps)</p></li><li><p>Working frequency: 2.4 (Mhz)</p></li><li><p>Transmission distance: 10 meters</p></li><li><p>Bluetooth Version: 5.0</p></li></ul>