KOMC B21 Headphone comes with the 3.5 mm plug connector which is compatible with most of the portable devices MP3 players, iPhone, Android. It supported hand free function, convenient to answer to incoming and outgoing calls anywhere and anytime. It comes with soft ear cushion and improves wearing comfort and give the bass response. Bluetooth headphones come with good quality, folding design, and the adjustable loop length, very comfortable and easy to carry. Soft and cushiony for ultimate comfort Ergonomic earbuds for a natural fit Made to fit you and your lifestyle, provide a smooth grip for an extra secure and comfortable fit for your ears Grab-and-go take for Maximum Convenience and Comfort Carefully and precisely designed makes the headphone appears to be stylish and sturdy Outstanding audio and noise attenuation with premium comfort

• Playing time up to 7 hours and even to talk mode up to the 5 hours.
• Package Contains 1xOriginal T11 headphones, 1 x charging cable, 1xAux cable.
• Cord Length: 2 charging.
• Time: 2-3 hours.
• Frequency Response: 20 Hz- 20kHz.
• Impedance: 32 ohms.
• Sensitivity: 108 dB.
• High sensitivity for a loud, clear sound Headphone Driver Unit 40mm Headphone.
• Frequency Response-20 Hz- 22 kHz.
• Comes with the 3.5mm plug connector.
• Compatible with portable devices like handsets, MP3 players, iPhone, Android, etc.
• Bluetooth headphones can be used at home, on the street, travel, office and so on. You can enjoy music everywhere.