Pay in 4 interest-free payments of $3.50 Learn more
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
One Package Size 20cm * 15cm * 10cm / 7
One Package Size 32cm * 22cm * 5cm / 12
Standby time Up to 360 hours
System OS Linux
the maximum connection distance in an outdoor open environment can reach 150m
M7 Wireless Bluetooth Helmet Headphones % Pill Boxes One Package Size 20cm *1. Bluetooth version: 5. 0 2. Frequency range: 2. 402GHz 2. 480GHz 3. Transmission distance: about 20 30m 4. Lithium battery capacity: 3. 7V 500mAh 5. Charging voltage: 5V 6. Charging time: about 2 hours 7. Standby time: about 360 hours Features: 1. Suitable for a variety of helmets 2. With FM radio function, real time control of road conditions 3. Using Bluetooth 5. 0 technology, wider coverage, faster speed and lower power consumption 4. With voice