Model: FineBlue F22 PROColor: White greyWearing type: In-EarFunction: Bluetooth,Microphone,Voice control,Answering Phone,Song Switching,Multi connection functionConnectivity: WirelessConnecting interface: Micro USBApplication: Mobile phone,Computer,Portable Media PlayerTalk time: 4 hoursMusic Time: 4 hoursStandby time: 60 hoursBluetooth version: V5.0Bluetooth mode: Hands free,HeadsetPackage Contents:Earphone Fineblue F22 PROType-C USB Charging CableUser Manual