Product Name: GUB M3 smart Bluetooth headset helmet
Category: integrated helmet, helmet with a Bluetooth headset
Application: Road, mountain bike helmet
Material: shell (PC) cap (EPS)
Color: black+red
Head circumference: 52~62cm
Vent: 21 hole
Weight: weight of about 302 grams, gross weight about 517 grams.
Note: This product is equipped with Bluetooth version 3, as long as the phone is more than 3 and Bluetooth can be used.

Six advantages
1. High-quality Bluetooth headset, 3D cube surround, fever level sound quality, durable without winding, there is no longer boring you let you exercise.
2. Streamline design to reduce resistance. Get out of the resistance and make your ride faster, giving you the experience of speed and passion.
3. Forming process. PC hard shell, seamless mitered, impact resistant ability is better, enhanced 50%.
4. Safety EPS foam. The shell is made of PC material with high impact resistance, and the inside of the shell is made of high strength EPS foam material, which can effectively absorb the external impact force and play a buffering role, so as to avoid the damage of the head.
5. Anti-bacterial breathable detachable lining. The use of moisture absorption of the buffer mesh design, so that more comfortable wear, removable cleaning, keep fresh and comfortable.
6. 21 hole vent. Free breathing is no longer hot, scientific and reasonable hole design.
Riding helmet capable of listening to music