1)Hi-Fi stereo wireless bluetooth transmission
2)Built-in EQ equalizer
3)High anti-interference antenna
4)Built-in large capacity rechargeable lithium battery
5)Advaced DSP technology
6)360 degree all hidden style Hi-Fi microphone
7)Advanced ECHO cancelllation
8)Mobile talk or music play two modes automatically swith
9)Bluetooth V4.0
10)Frequency response:20-20,000 Hz
11)Speaker impedance:32 ohm 12)Transfer Distance:33 FT/10M
13)Play/Talk ~12 Hrs Charging time: 3.5 Hrs