【Large Capacity Battery & Fast Charging 】EuroFone Bluetooth Helmet Speakers supports 2 hours of fast charging, can play continuously for 160 hours, and has a standby time of 380 hours. The battery level of the earphones can be displayed on the phone, making it convenient for you to operate.

【One-click To Wake Up Voice Assistant 】You can simply press the voice control button on the helmet headset and easily wake up your voice assistant or Siri to take action without taking your attention off the road. 

【1000mAh Professional Battery and Stable Connection】:The motorcycle Bluetooth headset use 1000mAh professional battery,you will get more than 25 hours music/talk time,low power warning and power save mode.The stronger Bluetooth compatibility technology,can be paring with most devices.Quick pairing.Reconnect automatically.Signal stability.Low power consumption.30 meters connection distance.

【IPX6 Waterproof and Easy to Use】:The S21 PLUS  Bluetooth helmet speakers use IPX6 waterproof technology that can handle all weather conditions.No fear of wind and rain.Just turn on the headset,long press the function key to enter the Bluetooth matching mode (at this time, the red and blue light of the machine flashes), and select the motorcycle Bluetooth headset model matching your mobile phone to use.

【Suitable for ALL Helmet】The Blue speakers is only 40mm thick and suitable for all helmets, It won't cause you to squeeze your ears, giving you a comfortable wearing experience.