Bluetooth wireless helmet headset for riding. Supports calls, music, and navigation voice guidance, making it convenient for touring. 【Main Features】 ・Bluetooth compatible ・With microphone ・Smartphone compatible ・Continuous use: Approximately 16 hours ・Communication range: Up to approximately 20m ・Waterproof ・Rechargeable 【Condition】 Unused and unopened (with box) *Slight scratches on the outer box due to home storage. I accidentally bought two, so I'm selling one. Thank you for looking!