J33 Car Audio Headphone Wireless Bluetooth Receiver

1. Interface: 3.5mm2. Transmission rate: 2.4Mbps3. Working frequency: 20MHz4. Bluetooth standard: 5.05. 10 meters long-distance transmission continuous connection6. Built-in clear call microphone, support Bluetooth function, suitable for wired headsets, car audio7. Can connect two devices at the same time, switch back and forth8. Built-in 200mAh lithium battery, can last more than ten hours9. Weight: 19 grams10. Size: 5.8x3.4x1.2Packaging accessories:- Bluetooth music receiver host x 1- USB charging cable x 1- 3.5mm audio adapter cable x 1- 3.5mm metal adapter x 1- English product manual x 1