【Ultra-thin earphones】The earphones are only 0.3 inches thick, will not squeeze your ears, and are suitable for all helmets. The earphone speakers are loud and can be heard even when riding at high speeds. The Bluetooth connection is stable and will not disconnect. Suitable for different types of helmets. Suitable for all types of helmets, adhesive isolation, clip installation, soft and hard microphones two-in-one.【800mA battery long play time battery】The earphone capacity is 800 hours and can play continuously for 90 hours. When traveling outdoors, there is no need to charge for a week, so you don’t have to worry about the charging of the helmet earphones. Connect two mobile phones at the same time, and the mobile phone can display the battery power of the earphones.【Easy to install】There is Velcro in the earphone packaging box, and the Velcro and clip models are different. The earphones 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 Velcro, speaker Velcro, can be easily installed according to your needs.【Perfect sound quality loud play】CVC noise reduction stereo music. Helmet earphone DSP noise reduction technology, loud volume, this helmet earphone has clear transmission. Compatible with all smartphones, can be used for motorcycle riding, skiing, horse riding, MP3, GPS can be independently supported. Make sure that the other party can still hear your voice clearly when driving at high speed.【IP67 Waterproof】ABS+Silicone compact structure design provides deep protection for internal parts, fearless of wind and rain, stable riding. Voice assistant wakes up with one button to play music, travel navigation, and make calls, making riding easier and more convenient.