■ Low voltage sound and light alarm prompt

■ The phone display battery power/last number replay     

■ Support call waiting(need network support)

■ Call rejection function

■ WNR technology / Call answering function 

■ A2DP play music

■ Super noise reduction technology

■ Infinite distance real-time intercom function

■ Stereo HD quality / ultra-low power consumption

■ Professional ergonomic experience design, more comfortable to          wear

■ Bone conduction earphone, release the ears, hearing protection

■ The battery is changeable/replaceable