1. Upgraded Bluetooth 5.0 & CVC6.0: The latest Bluetooth 5.0 technology with adv anced CSR8645 chips, ensuring faster and stable signal connection and transmission. The CVC6.0 noise cancelling technology can filter out background noise, allow you enjoy high quality sound performance with super bass even you are in a noisy environment.2. Ergonomic Neckband & Sweatproof Design: Ergonomic neckband design allow you to wear the headphones on your neck more comfortably and decrease the pressure of your ears. The neckband headphones is sweatproof, you can use it for outdoor sports exercise, such as running, jogging, walking and etc. Enjoying music when doing sports will be a extremely experience.3. Long Battery Life: The powerful rechargeable battery provides up to more than 48 hours music time, 24 hours talking time, 300 hours standby time with a single charge, great for all day outdoor sports exercise and indoor entertainment. When the headphones connected with your Bluetooth device, you can see the status of the battery in your device.4. Vibration Reminder: When a phone comes, the neckband Bluetooth headphones will remind you with vibration and you will not miss any call even you are in a noisy environment, really sets your hands free, provides your wonderful handsfree experience.5. Can Be Bent 360° & Easy Carrying: The earphone can be bent 360°, easy to carry.1. Upgraded Bluetooth 5.0 & CVC6.0: The latest Bluetooth 5.0 technology with adv anced CSR8645 chips, ensuring faster and stable signal connection and transmission. The CVC6.0 noise cancelling technology can filter out background noise, allow you enjoy high quality sound performance with super bass even you are in a noisy environment.2. Ergonomic Neckband & Sweatproof Design: Ergonomic neckband design allow you to wear the headphones on your neck more comfortably and decrease the pressure of your ears. The neckband headphones is sweatproof, you can use it for outdoor sports exercise, such as running, jogging, walking and etc. Enjoying music when doing sports will be a extremely experience.3. Long Battery Life: The powerful rechargeable battery provides up to more than 48 hours music time, 24 hours talking time, 300 hours standby time with a single charge, great for all day outdoor sports exercise and indoor entertainment. When the headphones connected with your Bluetooth device, you can see the status of the battery in your device.4. Vibration Reminder: When a phone comes, the neckband Bluetooth headphones will remind you with vibration and you will not miss any call even you are in a noisy environment, really sets your hands free, provides your wonderful handsfree experience.5. Can Be Bent 360° & Easy Carrying: The earphone can be bent 360°, easy to carry.1. Upgraded Bluetooth 5.0 & CVC6.0: The latest Bluetooth 5.0 technology with adv anced CSR8645 chips, ensuring faster and stable signal connection and transmission. The CVC6.0 noise cancelling technology can filter out background noise, allow you enjoy high quality sound performance with super bass even you are in a noisy environment.2. Ergonomic Neckband & Sweatproof Design: Ergonomic neckband design allow you to wear the headphones on your neck more comfortably and decrease the pressure of your ears. The neckband headphones is sweatproof, you can use it for outdoor sports exercise, such as running, jogging, walking and etc. Enjoying music when doing sports will be a extremely experience.3. Long Battery Life: The powerful rechargeable battery provides up to more than 48 hours music time, 24 hours talking time, 300 hours standby time with a single charge, great for all day outdoor sports exercise and indoor entertainment. When the headphones connected with your Bluetooth device, you can see the status of the battery in your device.4. Vibration Reminder: When a phone comes, the neckband Bluetooth headphones will remind you with vibration and you will not miss any call even you are in a noisy environment, really sets your hands free, provides your wonderful handsfree experience.5. Can Be Bent 360° & Easy Carrying: The earphone can be bent 360°, easy to carry.