Item Name: Motorcycle Helmet Bluetooth Headset,Bluetooth 5.0,Waterproof Motorcycle Sport. Product DescriptionBT version: BT5.0Mode protocol: HFP/HS, A2DP, AVRCPBattery type: built-in lithium batteryOperating temperature: -20 degrees -60 degrees (-4 degrees to 140 degrees)Standby time: 2 weeksOperating time: 16 hoursThe package includes:1 set of bluetooth earphones
