Our wireless Bluetooth headset with earhook allows you to make reliable wireless calls on a single charge and enjoy streaming music and media throughout the day. Key Features: 1. This headset is a real hands-free Bluetooth headset solution that allows you to really release your hands while driving, working, exercising and it's extremely convenient. 2. Aluminum alloy windshield, acoustic fiber mesh can block wind noise. When you are in high wind speeds environments, you can still talk clearly. 3. Our earphones are designed according to the contours of the human ears, so that you won’t feel discomfort in your ears even if you wear them for a long time. Let you not miss every important call and message. 4. Adopting newest Bluetooth 5.0 technology, bring you backwards compatibility, longer connectivity range, much better connection quality and even reduced power usage. 5. The dual mic noise cancelling technology eliminates background noise for crystal-clear audio and uninterrupted conversations, letting you focus on your work or your call in comfort and style. Specification: Bluetooth version: 5.0 Headphone battery capacity: 90mAh Transmission distance: about 10m Playing time: about 8 hours Standby time: about 72 hours Product Weight: 3.35oz Support system: all devices and mobile phones that support Bluetooth Notes: 1. Please read the instruction manual carefully before use. 2. If you receive a defective product or have any questions during use, please feel free to contact us. Packing list: Headphones*1 USB cable*1 User Manual*1