Riding double lens uncovering helmet high sound quality Bluetooth headset men's and women's safety helmet soman955 Bluet

【brand】:soman 【type】:full face helmet 【material】:ABS 【weight】:1640G 【size】:S、M、L、XL、XXL M1 helmet Bluetooth headset Bluetooth headset, clear stereo, easy to install, 2.5 hours of charging and 400 hours of standby. M1 / connection of two mobile phones 1 Make sure that M1 and the mobile phone are kept within the visual range of 1m, and confirm that M1 is turned off. 2. When M1 is powered off, press and hold the multi-function key for 6 seconds, the red and blue lights flash alternately, and the "pairing status prompt tone" is heard. 3. Turn on the mobile phone Bluetooth to search M1 and connect. When you hear the prompt tone of "Bluetooth connected", the connection is successful. 4. After connecting the first mobile phone, the other one needs to click Bluetooth connection on the mobile phone.