Key features

• •PROFESSIONAL NOISE CANCELLING TECHNOLOGY: Significant noise reduction for travel, work and anywhere in between. Advanced noise reduction technology quells airplane cabin noise, city traffic or a busy office, makes you focus on what you want to hear,enjoy your music, movies, videos and game. The noise cancellation function can work well both in wire and wireless mode.
• •THE PRORESSIONAL PROTEIN EARPAD: More durability and comfort, Enjoy high-quality, Long-listen comfort. Skin texture, lightweight comfortable around-ear fit you can wear all day long. allows you to find the perfect fit without constraint and provide excellent durability. Gentle Reminder: please take off the headphone every 2-3 hrs to get your ears relax, in order to get better hearing enjoyment, and keep the head comfortable.
• •HANDS-FREE CALL & BUILT-IN MIC: Please Note: The Microphone only works in the wireless mode. MMHDZ B3 Bluetooth headphones 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.
• •DURABLE BATTERY: Build-in 400mAh high capacity rechargeable lithium battery, the wireless headphones last up to 6 hours continuous voice call, 6 hours continuous playtime and 160 hours standby time
• •TAKE YOUR TUNES TO GO: Space-saving design not only saves space but also makes it portable. It also comes with a carrying case for easy storage. MMHDZ offers 30 days money back & lifetime warranty free guarantee.