商品介绍
Smart Hot Selling Bike Helmet
Head circumference
21.65-23.22in (55-59cm)
Weight
1.081lbs(490g)
Vents
12
Charging port
Magnetic USB, DC 5V/1A, Charging time Approx. 3hrs
Battery capacity
3.7V/600mAh, 10 hrs (Default lights), 3-6hrs (Music+Default lights)
Bluetooth Distance
Max. 10m if no blocks
Mic
-39dB
Speaker
2 x 0.5W
Standby Endurance
Max. 180 days
产品细节
