Item Name: Motorcycle Helmet Headset Bluetooth-compatible Wireless Earphones with Mic Newly. Smart TV Box Android Quad Core HDMI 1080P Wifi Streaming Media Player UK
MT02 Motorcycle Helmet Headset Headphones Bluetooth-compatible 5.1 Speaker Wireless Handsfree Call Music Player Earphones
Specification:
Bluetooth-compatible version: 5.1
Frequency: 2.402GHz-2.480GHz
BT distance: 10m-20m/32.8-65.61ft (depending on the surrounding environment of the device, such as obstacles).
Microphone transmission distance:
