Specification:

-Chipset: CSR chip; 

-Bluetooth version: V3.0+EDR Class 2; 

-chipset :csr

-Effective range: 10m; 

-Talking time:10 hours; 

-Charging time:3 hours; 

-Standby time:250 hours; 

Package Included:

1*Mini 503 Bluetooth Headset

1*USB Charger

1*User Guide