Main function
A: Caller’s name and number display (name and number)
B: Unconnection warning after 5-10M(vibration warning)
C: incoming vibration for alert
D: answer/conversation/dialing/hangup
E: synchronization/check/wipe Data
F: time display

Technical Specification
A:compatible to Bluetooth 2.1 (standard)
B:Class 2 standard (10 meters)
C:conform to Bluetooth hands-free standard (Hands-free Profile)V0.96
D:working temperature -20°C~+75°C
E:storage temperature -40°C~+85°C
F:workable distance 5-10M
G:auto energy-saving mode
H:low power consumption mode/ high speed operation mode
I:safety certificate, data encryption