Design Features: 
-Chatting and chilling never sounded so smooth 
-High definition 
-Intelligent noise cancellation 
-Delivered in a mono headset that lets you keep an ear on your surroundings 
-Effoetlessly syncing with any mobile device 

Technial Specification 
-Driver Unit: 2*10mm 
-Frequency Response: 20-20kHz 
-Impedance: 32ohm+_15% 
-Bluetooth: 3.0 
-Talking time: 2.5H 
-Standby time: 75H 
-Rated Power: 2mW 
-Maximum Power: 4mW 
-Avilable color: Blue, red, black, pink, white