Specification: Item Type: Motorcycle Helmet Headset Material: ABS BT Version: Bluetooth 5.0 Frequency: 2.402GHZ-2.480GHZ BT Distance: Approx. 10-20m/32.8-65.6ft (Depending on the Environment Around the Device Such As Obstacles) Microphone Transmission Distance: 1m/3.3ft Built In Polymer Lithium Battery: 180mAh Playing Time: 8 Hours Charging Voltage: 5V Charging Time: 2 Hours Standby Time: 160 Hours BT Pairing Name: T6" Package List:1 x Headphone1 x Charging Cable1 x Manual About this item HIGH QUALITY MATERIAL: The earphones are made of high quality ABS material, which is sturdy and durable to ensure long term use. LARGE CAPACITY BATTERY: Large capacity battery, long standby time, built in 180mAh large capacity lithium battery, suitable for long term work. NOISE CANCELLATION: The helmet earphones are noise smart, voices are clearly recognized, and ambient noise is reduced. BLUETOOTH 5.0: The motorcycle helmet headset adopts Bluetooth 5.0 for more stable connection and faster transmission speed. EASY TO USE: The motorcycle helmet headset is easy to operate with one key to listen to songs, select songs, adjust the volume, dial back, etc. HIGH QUALITY MATERIAL: The earphones are made of high quality ABS material, which is sturdy and durable to ensure long term use. LARGE CAPACITY BATTERY: Large capacity battery, long standby time, built in 180mAh large capacity lithium battery, suitable for long term work. NOISE CANCELLATION: The helmet earphones are noise smart, voices are clearly recognized, and ambient noise is reduced. BLUETOOTH 5.0: The motorcycle helmet headset adopts Bluetooth 5.0 for more stable connection and faster transmission speed. EASY TO USE: The motorcycle helmet headset is easy to operate with one key to listen to songs, select songs, adjust the volume, dial back, etc.