Transmission radius: 10m
     Use: ear plug type
     Brand: Li Ming
     Package Type: Official Standard
     Standby time: 15 days
     Whether single ear: unilateral handsfree
     Bluetooth version: 4.0
     Color classification: Star Silver [wrist on the Bluetooth headset] crazy grab the earth Hao gold [wrist on the Bluetooth headset] crazy grab the wisdom of black [wrist on the Bluetooth headset]
     Transmission radius: 10m
     Channel: 1
     Function: Call function