Product Information：

Transmission range: 500 meters
Function: call function, support music, passerby call function
Bluetooth protocol: 4.1
Channel: Stereo
How to use: Car hands-free
Single or dual ear: bilateral stereo
Features: passerby call function

Packing List：

Wireless walkie-talkie (accessories: charging data cable, small square Velcro, anti-noise tweeter headset, 

operating instructions, base iron buckle, letter buckle, base speaker, large round Velcro, plus round speaker foam pad, large square Velcro)