• Brand: Yookie
• Model Number: K340
• Type: In Ear
• Compatible with: Multi
• Connectivity: Wireless
• Microphone Included: Yes
• Noise Cancelling: Yes
• Version: V5.0

Often they are used for serious music listening, in studios, for audio and video editing and many other applications. They are also used for music on the go, and can often be used with a wireless connection, i. e. wireless headphones / Bluetooth headphones, where the lack of a connecting lead makes them easier to use.