1)Voice prompt ： incoming calls report ， Acoustic answer 
2)Multipoint : connect with 2 phones and use qt the same time . 
3)Tansmission range: 15m Bluetooth model : hands free /Headset profile 
Power charger : AC input 110-240V, DC output 5V radio 
Frequency : 2.4 to 2.4835GHZ ISM band 
Music time : about 6h, talking time : about 10h , standby time  about 200H 
4)Translate freely in Chinese , English , Boot alternating red and lights . Press the volume +2 times in row, a prompt sound heard du, transformation of success . 
    Color : Black , White, Pink, Blue