Bass Boost Sound: With bass up technology and 8mm dynamic speaker system, Mpow Jaws Gen5 Bluetooth headphones provide more powerful bass and crisp treble. Perfect for different music styles and melodies. Upgraded 18 Hours Playtime: Low power consumption and powerful rechargeable battery provides up to 18 hours of continuous music time with a single full charge. Mpow Jaws Gen5 Bluetooth neckband takes around 3 hours for a full charge and provide up to 450 hours standby time. Advanced Bluetooth 5.0: The latest Bluetooth 5.0 + CSR 8635 chip offers enhanced sound transmission, faster pairing, more stable wireless connection and wider compatibility with Bluetooth enabled cell phones, tablets, computers, smart watches and smart speakers (e.g., Amazon Echo). Distinct Shark-like & Magnetic Earbuds: The lightweight neckband which looks like a shark mouth is Mpow's unique design. Itsƒ?? built-in magnet earbuds let you attach the two earbuds when not using. You can wear it like a necklace around your neck, a convenient way to carry. Call Vibration & CVC 6.0 Noise-Cancelling Mic: Mpow Jaws Bluetooth headset will vibrate when a call comes in so that you won't miss any calls when earbuds are not in ears. It will vibrate when powers on/off, too. The built-in CVC6.0 noise-cancelling microphone can reduce background noises so as to provide crystal-clear sound for phone conversations. Warranty: Every Mpow product has 45 Days money back guarantee & 2 Years Warranty.