â—† Amazing Stereo Hi-Fi Sound: High definition stereo headphones, specially developed software and HD sound technology that aims to deliver the music from your devices on a whole new level! You can enjoy high fidelity strong bass, crisp and clear music all day. â—† Soft Earmuffs & Ergonomic Design: Soft and comfortable memory-protein earmuffs and ergonomic design make the headphones fit for long time wearing. With Bluetooth transmitter, you can use this Bluetooth Headphone for TV, no worry about disturbing your family when they are sleeping. â—† Hand free call & Built in Mic: WorWoder Bluetooth headsets provide a quick and stable connection with your Bluetooth enabled devices like cell phones, tablets, pc, TVs within 33 feet, with a high-quality built-in microphone for hands-free calls, which is convenient for you to free yourself from wires.(ONLY FOR WIRELESS MODE) â—† Wireless & Wired Function: This wireless over ear headphones are compatible with all Bluetooth or 3.5mm plug cable enabled devices.You can use it as a wired headphone with the provided audio cable so the headphones will never power off. â—† Classic Black Color & Free Hard Protective Carrying Case: The WorWoder Bluetooth Headphone was designed with unique BLACK&RED COLOR with a Protective Carrying Case great for girls and kids, it will be a perfect gift for your friends, children in all the festivals.