PROFESSIONAL DESIGN, 2 COLOURS: PINK AND BLACK, VOLUME CONTROL STEREO, MICROPHONE QUADRATE EAR CUSHIONS, RANGE 10M, WORKING TIME 14H, CONNECT TO 2 BLUETOOTH DEVICES ON TIME. SUPPORT BLUETOOTH 4.1 HSP, HFP, A2DP, AVRCP, SUPER BASS, HIFI IC AMPLIFIER, IC POWER, GOOD SOUND INSULATION, MIC ON CABLE.