THE POWER OF 13 HOURS PLAYTIME: Mpow Bluetooth Neckband Headphones deliver up to 13 hours of listening time and 350 hours standby time after 3 hours charge per time with its built-in 145 mAh battery. You could enjoy your long lasting music time and check the battery on your phone. ENHANCED HD & Hi-Fi SOUND: Mpow wireless neckband headsets provide a HD and Hi-Fi sound for an immersive listening experience. With its high-quality CSR8635 chip, Mpow Bluetooth neckband headphones offer wider compatibility, easier pairing and more reliable connection with most Bluetooth enabled devices. CVC 6.0 NOISE CANCELLING MICROPHONE: With its built-in CVC6.0 noise reduction microphone, Mpow Jaws Gen-3 Bluetooth neckband headphones filter out background noise to provide a clearer voice for hands-free calls. You wonƒ??t miss any important details of your phone conversation. MAGNETIC EARBUDS & CALL VIBRATE ALERT: The built-in magnet attracts the earplugs when you donƒ??t use them. Mpow Jaws Gen-3 Bluetooth headphones can vibrate when a phone call comes in and avoid missing incoming calls while the earplugs are not in your ears. LIGHTWEIGHT NECKBAND DESIGN: Mpow Bluetooth neckband headsets weigh only 1.2oz in flexible and durable silicone material. And 3 different ear tips size (S, M, L) offer personalized comfort and stability. Warranty: Every Mpow product has 18 Month Warranty & 45 Days Money Back Guarantee!