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.