Version: Bluetooth 5.0
Frequency range: 2.402Ghz to 2.480Ghz
Bluetooth Valid Distance: Less than 30 meters (Depend on device)
Battery Capacity: 3.7V / 450mAh
Charging Voltage: 5V
Standby time: about 360 hours

Packing List:
Wireless Helmet Headset x 1
USB Charging Cable x 1
3M Velcro x 1
User Guide x 1

Notice:

All images and descriptions are for illustrative purposes only. Product specification, functions and appearance may contain more and different information than what is shown on our website. The color deviation is subject to actual system configuration and slight dimension difference is allowed due to manual measurement. Actual color may vary, darkness of color may vary depends on batch of production as well as due to photography and screen differences. We recommend you check with sales for exact offers if needed.