Detail:Lenovo H301Is Wireless Earbuds Equipped With Bluetooth V5.0 That Renders Stable Connection, No Latency, Data Transfer Speed, And Low Power Consumption. It Comes With Intelligent Noise Reduction And Built-In High-Definition Microphone That Provides You With Clearer And More Real Talking Sound In Stereo Mode.It Is A Wireless Dual-Ear Design Earphone Which You Can Use Solely Or Else In Pairs. It Even Provides You With Various Interesting Features Like A Wake-Up Voice Assistant, Multi-Functional Touch Control To Answer Or Reject Calls, Play Or Pause Songs, And More Without Taking Your Mobile Phone Out Of Your Pocket.