Ultra-thin earphonesThe motorcycle helmet speaker is only 0.3 inches thick (about 0.7 cm), which will not squeeze your ears and fit all helmets. This earphone speaker has a loud sound, and you can hear it when riding at high speed. The Bluetooth connection is stable and will not disconnect. Suitable for various helmet types, suitable for various helmet types, adhesive bonding, clip installation, two-in-one soft and hard wheat.1500mA battery long playback time. BatteryThe motorcycle helmet Bluetooth headset has a capacity of 1500 hours and can play continuously for 90 hours. There is no need to charge them for a week when traveling outdoors, so you dont have to worry about charging the helmet headset. Connect two mobile phones at the same time, and the mobile phone can display the battery power of the headset.Easy to installThe motorcycle helmet Bluetooth headset has Velcro stickers in the packaging box, with different models of Velcro stickers and clips. The headset can be installed in the helmet within 2 minutes. Two-in-one soft and hard microphone, clip base in the packaging box, adhesive base, adhesive base hook surface Velcro, speaker Velcro. You can install it conveniently according to your needs.Perfect sound quality playbackCVC noise reduction stereo music. Helmet headset DSP noise reduction technology, loud volume, this helmet headset transmits clearly. Compatible with all smartphones, can be used for motorcycle riding, skiing, horse riding, MP3, GPS independent support. Make sure that the other party can still hear your voice clearly when driving at high speed.IP67 waterproofThe helmet Bluetooth headset adopts ABS+ silicone compact structure design to provide deep protection for internal components, fearless of wind and rain, and stable riding. Voice assistant wake up with one button, play music, travel navigation, make calls, and riding is easier and more convenient.