Oraimo Freepods 4 Active Noise Cancellation.

BT Version: V5.2 Wireless Range: 10m Play Time: Up to 8 hours; Case provides additional 24 hours (ANC OFF) Up to 7 hours; Case provides additional 21 hours (ANC ON) Input: Type-C Active Noise Cancellation Customize Your Listening oraimo Signature Sound 35.5-hour Long Playtime Effortless Control with APP Google Pop-up Notification Low-latency Game Mode 4-mic Noise Reduction in Calls 5 EQ Modes and More Transparency Mode