Specifications: What makes it not easy to damage by water is the waterproof design. It ensures clear and loud voice even in high speed riding because it is designed with high precision speaker.It is not easy to damage by water because it is waterproof. What ensures clear and loud voice even in high speed riding is the high precision speaker design.Since it is waterproof, it is not easy to damage by water. Featuring high precision speaker design, it ensures clear and loud voice even in high speed riding. Features: DSP noise reduction function can effectively reduce the noise so that you can talk, listen to music are clear.It can effectively reduce the noise so that you can talk, listen to music are clear because it is designed with DSP noise reduction function.It is suitable for riding. S2 each button has an independent function, and it can switch different functions and uses by pressing it blindly when riding.LxWxH: 20cm x 13cm x 5cm/7.87" x 5.12" x 1.97"(Approx.)notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.Package Includes: 1 x Main Part 1 x Headset 1 x Hard Tube Microphone 1 x Mounting Clip 1 x Fastener Tape Clip 1 x Charging Cable 1 x Soft Line Microphone 2 x Headphone Spare Fastener Tapes 2 x Microphone Fastener Tapes 1 x Screw Rod 2 x Spare Screws