【Product Specifications】 Manufacture Country:China Bluetooth version: 5.3 ​Transmission distance: 10m ​Fast charging time: 3 hours ​Waterproof and dustproof grade: IP67 ​Charging port: USB Type-C ​Charging voltage: USB 5 V, 1-2 A ​Music balance: pre-tuned ​Working temperature: -55°C - 125°C ​Material: ABS ​Color: black 【Product Features】 1. IP67 waterproof: High standard IP67 protection level makes it worry free even in rainy days. ​2. Bio-diaphragm: Awakens the surging sound, adopts light rebound graphene diaphragm unit, 3D stereo surround sound combined with professional acoustic optimization and tuning, the bass is thick and powerful, and the mid- and high-frequency are clear and beautiful. ​3. Auto answer: Allows you to answer phone calls without operating your phone; can be turned on/off. ​4. Powerful 5.3 chip: Provides stable performance, low power consumption, and long battery life. ​5. Phone voice assistant activation: Supports activating your phone's voice assistant, reducing frequent operations, thus increasing riding safety. ​6. Easy to install and use: This headset adopts a simple design with control buttons cleverly integrated onto the microphone, more convenient to operate. ​7. The magnetic design makes it very stylish and easy to install on the helmet! 【Packaging Contents①】 1 X Main Unit ​1 X Foam Mic Cover ​1 X Adhesive Tape ​1 X Charging Cable ​1 X Mic & Speakers Set ​4 X Speaker Fasteners ​1 X Manual NOTE: ①Images on this page are for illustration only and due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! ②Please allow 1-3cm measuring deviation due to manual measurement.