Features: 1.Multifunctional Design: Built in Bluetooth 5.0, Bluetooth headset allows you to talk hands free, enjoy music, listen to GPS voice guidance, so you can safely and happily enjoy the ride. 2.Noise Cancellation: Stereo speakers provide clear sound quality during music and phone calls, and advanced DSP noise reduction technology reduces background noise to ensure that the other party can still hear you clearly at high speeds. 3.Wireless Call: The wireless call function of the helmet headset allows 2 riders to talk wirelessly to share the riding experience and enjoy the conversation, especially when you are traveling with family or friends 4.IP54 Waterproof: IP54 waterproof design helps you cope with all weather conditions, you can use your motorcycle communication system in rainy days, improving cycling safety. 5.Playback Control: Easily press the control buttons to play or pause music, switch songs, adjust volume, reject or answer calls, making your ride safer and more convenient. specification:Item Type: Motorcycle Bluetooth Headset Material: Plastic BT Version: 5.0 Frequency Range: 2.402 - 2.480GHz Decoding Format: ACC, SBC Battery Capacity: 450mAh Lithium battery (included) Standby Time: 45 hours Working Time: About 18 hours Charging Time: 2 hours Waterproof Level: IP54 Noise Reduction Function: DSP noise reduction PackageList:1 x MotorcycleBluetoothHeadset 1 xHeadphone and Microphone 1 x Charging Cable 1 x User Manual 2 x Screw 1 x Earphone Mounting Base 1 x Wrench 5 xStickStrap