Earphone Bluetooth YAMAHA EP-E30A PinkBrandYAMAHAModelEP-E30AFrequency range20Hz-20kHzImpedanceN/ASensitivityN/ASpeaker DiameterDynamic / 8.6 mmฺBluetooth VersionBluetooth 5.0Supported Profiles : A2DP, AVRCP, HFP, HSPSupported Codecs : SBC, AACระยะทางในการเชื่อมต่อ10m (without interference)Cable lengthNoneConnectorNoneMicrophoneYes (Call Function)V..