Product information:Product parameters:1. Bluetooth solution: 5.0 EDR, A2DP, HSP, AVRCP2. Frequency and rate: 2.4GHz-2.48GHz3. Bluetooth transmission distance ≤ 10 meters4. Bluetooth receiving distance ≤ 10 meters5. Charging voltage: DC 5V6. The battery is 300 mAh7. Working time: about 6 hours8. Bluetooth receiving function: connect 1 mobile phone9. Bluetooth transmitter function: connect 1 pair of Bluetooth headsets10. Screen display: can display the name of 8 devices to be paired (transmitting) / can display the name of paired mobile phone (receiving)Packing list:Host*1PCS, 3.5mm audio cable*1PCS, charging cable*1PCS, lotus cable*1PCS, manual*1PCS