Core Features: Retractable Hidden Microphone Arm Multiple Microphones Acoustic Shield Technology, 4 Levels Of Anc, Qualcomm Aptx Hd, Up To 40 Hours Wireless Battery Life, Qi Wireless Charging Stand, Dual-Side Busylight For Full Visible Angles, Excellent Audio Experience And All Day Wearing Comfort, Teams Certified, Color: Black, Connectivity: Usb-A And Charging Stand Included.