Feature:1. High Volume +HiFi Quality: CSR 5.0 intelligent core noise reduction, 40mm/1.6in strong magnetic speaker unit, 20 meters/65.6ft of stable transmission distance, even if you are driving a motorcycle at high speed, headphones can also provide you with strong music.2. Automatic and Manual Answering: The helmet headset supports intelligent noise reduction function, and can broadcast the incoming number. Automatic answer and manual answer two modes, support two devices connected at the same time to switch freely.3. 160H Playing Time: A10 motorcycle helmet headset microphone built in 2600mah lithium ion battery, charging 2 to 3 hours can play up to 160 hours continuously. Built in low power consumption electronic components, support a variety of mobile phone display battery information.4. Breathing Lamp: One key to turn on the lamp, double click to turn off the lamp easily, cool appearance, escort your driving safety. Two mounting methods offer elastic hook and loop fasteners and clip mounts.5. Comfortable Experience: The motorcycle helmet headset with 0.47 inch thin speaker, the host has its own intelligent assistant system. New design, give you a better experience!How to Use:Turn on bluetooth connection to use.Specification:Item Type: HeadsetMaterial: ABSModel: BT-A10Color: BlackFeatures: Wireless Sound TransmissionScope: Smart Devices With BluetoothBluetooth Version: 5.0Transmission Distance: 20m/65.6ftBuilt In Battery: Lithium Battery Built In Battery Capacity: 2600mAhCharging Time: 3-4 HoursMusic Time: About 160 HoursStandby Time: About 500 HoursWaterproof Grade: IP67Speaker Size: Appro