GEARELEC: The best Bluetooth Headset also the Best Intercom！ As we all know, the world's first regular motorcycle factory was built in the UK, making the UK the earliest motorcycle "World Factory" in Europe. That’s why we’re determined to produce motorcycle Bluetooth headsets for our customers that comply with British Standards: Rigorous testing and control – Selecting only the highest quality parts and materials; Expensive construction costs – Practical yet elegant design; Hundreds of practical trials and field visits - Optimized use. Now we have this professional and well-loved Bluetooth cycling headset. What are the outstanding features of GEARELEC GMAX? GMAX has advanced DSP and 12th CVC noise reduction technology, which can effectively reduce all kinds of noise. Whether in the city or in the mountains, you can enjoy your own world.Designed a rare LED display on the market to monitor your headphone data in real time.We have upgraded the battery life and battery capacity, charging it quickly in a short time, and can listen to up to 600 songs.GEARELEC adopts powerful chip technology and can support full-duplex simultaneous calls for up to 2-6 riders(Notice：Cheap motorcycle headsets don‘t have Intercom function). The intercom range is up to 2000m. The maximum effective communication distance between two riders is about 800m. It is the best Bluetooth Headset device and also the best Motorcycle Intercom. In 2024, the battery cell will be improved and the battery capacity will be larger. After market analysis, we increased the battery capacity of GMAX from the original 1000mAh to 1500mAh. And the battery life is an extraordinary breakthrough. It is like a small steel gun with long-lasting performance. And the display can be monitored at any time, so you don’t have to worry about running out of battery when traveling, skiing or in the mountains. Battery Standby life: 600 hours Continuous listening to songs: 600 songs Continuous calls: 50 hours Charging time: 2.5 hours GMAX motorcycle headphones utilize the most advanced IP67 waterproof technology and design on the market, providing unparalleled comfort and protection for riders who love to ride. Whether it is raining or humid, this waterproof feature ensures that the performance and sound quality of the headphones will not be affected by moisture. In addition, the waterproof feature of the cycling headphones also provides you with more safety. If you're sweating or raining while riding, you don't have to worry about your headphones slipping off or getting damaged as moisture will seep in and distract you. This allows you to focus more on road and traffic conditions, improving safety and driving enjoyment. Whether you're skiing, riding in the mountains or exposed to heavy rain, you can handle it with ease! How To Install On The Helmet？ Method 1 (3M Back Clip) 1.Install the Gmax bluetooth headset on the 3M back clip 2.Tear the 3M Velcro 3. Clean the surface of the helmet and place the Velcro on the helmet where it fits 4.The installation is complete Method 2 （Back Clip） 1.Take out the back clip and unscrew it using the attached screwdriver 2. Install the Gmax Bluetooth headset on the back clip 3.Clamp the back clip to the proper position of the helmet and tighten the screws 4.The installation is complete Some notes: If you encounter indirect packaging damage, please communicate with us directly from Amazon and we will provide you with professional help.No sound may be because your jack is not plugged in tightly.We provide enough accessories so that you can try and practice as much as possible.Both the volume of the walkie-talkie and the volume of listening to music can be adjusted through the volume +- buttons, but please be careful not to keep pressing it, as it may damage your ears.We hope you will become the coolest rider after using it!