1:  Dual Receiving Antenna  Build-in headset is equipped with a newly-developed diversity circuit and dual pivoting high-gain antenna. The chipset will automatically switch to use the antenna with better signal strength for oprimal wireless performance. You can enjoy 360-degree barrier-free .                                         
2:  High Fidelity digital transmission 2.4G non-compression wireless audio ensure the quality of sound transmission, let you freely enjoy the CD sound.                                                                                 
3:  3.5mm audio transmission interface for mp3,notebook,mobile phone etc.
4:  Build-in high-performance Lithium Battery(550mA),A full charge takes 3h and provides 10h use.
5: Volume remote control
6:  Hidden omni-directional Mircrophone                                                                   
7:  Low power indicater
8:  Adjustable headband and folded
9:  Transmission distance and range(10m,360°)
10: Headset Spec.: frequency response:20-20KHz,SRN:85dB,working Voltage:3.7V,current:50mA speaker size:Φ40mm
11: Microphone Spec.:100Hz~10kHz&SRN≥55dB&Sensitivity:-42dB