Brand:Celebrat Model Number:A23 Type:Over Ear Compatible with:Multi Connectivity:Wired/Wireless Microphone Included:Yes Noise Cancelling: Yes Bluetooth Version:V5.0 Transmission Distance:10 M Standby Time:About 80 Hours Battery Capacity:Lithium Battery 3.7V/ 200 mAh Charging Time: About 2.5 Hours Music Time:About 5 Hours Call Time:About 4.5 Hours Frequency Response:20Hz-10KHz Connector:3.5mm Specification:TF Card Support Maximum 32G Color:Black Baby Blue Material:Mixed