Product Specification: BT Version: V5.2 Wireless Range: 10m Play Time: Up to 8.5 hours, case provides additional 27 hours (ANC OFF); Up to 7 hours, case provides additional 22 hours (ANC ON) Input: Type-C Model: OEB-E105DProduct Specification: BT Version: V5.2 Wireless Range: 10m Play Time: Up to 8.5 hours, case provides additional 27 hours (ANC OFF); Up to 7 hours, case provides additional 22 hours (ANC ON) Input: Type-C Model: OEB-E105D