This helmet offers more flexibility, portability and durability during training. You will never have to worry about these headphones falling off again! No pain during prolonged use. Suitable for fitness, training and running. Key Features: 1. This waterproof helmet protects you from rain or sweat. You can wear it in the shower or on rainy days. 2. This Bluetooth neckband headset supports Android, iOS, Windows and Mac systems. The battery level of the headphones can be checked on the side of your device: on the Bluetooth setting surface or in the upper right corner on the screen of your device. 3. Play, pause, skip titles and answer/hang up/reject a call with just pressing the buttons. 4. Our headphones are inspired by the contours of human ears, so you will not feel any discomfort in your ears even if you wear them for a long time. 5. Thanks to the introduction of the latest Bluetooth 5.2 chip, you get backward compatibility, longer connection distance, better connection quality and even lower power consumption. 6. Once the initial connection has been successful, historically connected devices are detected at boot time and automatically reconnect. Features: Bluetooth version: 5.2 Transmission distance: 15m Battery capacity: 500 mAh Battery life per charge: 78 hours Charging time: 1.5 hours. Control method: buttons Charging method: USB Type-C Support system: all Bluetooth enabled devices and mobile phones. Note: 1. Please read the user manual carefully before use. 2. If you receive a defective product or have any questions during use, please feel free to contact us. Package includes: 1 x Helmet 1 x USB cable. 1 x user manual (English language not guaranteed).