Version: V3.0 +EDR
Hands-Free phone: built-in microphone, safe and convenient to answer the phone
The call handling noise CVC: wind noise suppression, full duplex communication technology
Volumen subtraction: adjust volumen size through rotary swithch A key
It can charge for handheld terminal equipment: with car charger, 5v-1000mAh output, can charge for handheld terminal equipment