🎧【True Wireless Earphones】Ski helmet speaker is equipped with TWS technology, automatically connects to your phone's Bluetooth when you turn it on, say goodbye to tangled wires and put it into use quickly. Unlike traditional Bluetooth, one headset can also be connected separately, this is true wireless earphone. | ❄️【Bluetooth 5.3 Stable & Fast】Equipped with the latest BT5.3 chip, it has faster transmission speed and stronger anti-interference ability, which can maintain smooth communication and listen to music in various scenarios. With a 10 meter large signal range, no need to worry about sudden signal disconnection during skiing and cycling, allowing you to freely stroll in the music world. | 🎧【Large-capacity battery & long life】Equipped with 1450 mAh high-capacity charging case, it comes with longer endurence. Fully charged earphones can sustain 5.5 hours of continuous communication and have a standby time of up to 50 hours, allowing for safe cycling and relief from battery anxiety.( NOTE: the working time varies based on different usage) | ❄️【High-quality Sound】Adopting ANC noise reduction technology and high-quality audio drivers, this helmet bluetooth headset can minimize wind noise even during skiing or cycling, providing crystal clear sound quality without distractions. | 🎧【Fit Most Audio-Ready Helmets】The helmet bluetooth speakers can be installed inside the helmet using Velcro, with simple operation and no need to worry about tangled or too short wiring harnesses or other issues. It is suitable for most helmets and easy to disassemble. | ❄️【Large Button for Accurate Control】Equipped with a wireless control to control wireless helmet earphone remotely, freely adjust the volume and switch audio. The multifunction button is large and sensitive enough to help you quickly access to media control even with thick gloves on.