... and noise reduction, ensuresincreased speech claritySPECIFICATIONBluetooth:* Bluetooth Specification v3.0 system* Bluetooth® Profile Supported: HSP V1.2, HFP V1.5, A2DP ... Microphone,Interface:* 4 Button design: MFB, VOL+, VOL-, Slide switch,* LED Status Indicator: Blue, Red,* Mini 5 Pin USB charging Port* Color: greenPOWER ...